1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
UkoKoshka [18]
2 years ago
5

How do I write 780,000 in scientific notation.

Mathematics
2 answers:
aniked [119]2 years ago
6 0

the scientific notation is just another mumble jumble way to write the same thing without so many repetitive zeros, so hmmm 780000 has 4 zeros, so what we do is we can say

78 and 4 zeros following it

or we can say

78 * 10⁴, if we get that product, is 780000

in scientific notation, we only leave one digit to the left of the decimal point

so the same thing above can be written as

78 * 10000, can be written as 78.0 * 10000

or as

7.8 * 100000

or as

0.78 * 1000000

check their product

7.8 * 100000, is really just 780000

because we moved the decimal to the left one more slot, it

became 7.8 * 100000

or in

<h2>scientific notation, 7.8 ⨉ 10⁵</h2>
chubhunter [2.5K]2 years ago
5 0

Answer:

780,000 =7.8 * 10^5

Step-by-step explanation:

Don't worry! I hope you do great on your finals, goodluck<3.

<h3>What is scientific notation?</h3><h3>It's a way of expressing numbers that are either too large or too small.</h3><h3>The formula for scientific notation is written as shown below:</h3>

a * 10^{b}

Variable A represents a number thats absolute value has to be greater than or equal to 1 and less than 10. This is represented below

1 ≤ | a | < 10

Therefore we know that 780,000 will be 7.8, because it is greater than 1 and less than 10 as well can still represent our original number.

7.8 * 10^b

Assuming you know how powers work, if not I'll go over them very quickly.

<h2>What is an exponent?</h2><h3>An exponent(also called a power or indices) is a tells you how many time you are going to use the number in multiplying a number by itself.</h3>

For example 8² = 8 * 8, 8³ = 8 * 8 * 8.

<h3>To find what the exponent will be is pretty simple, you take 780,000 and identify what place our number is in.</h3>

what I mean by this is if its in, tenths, hundreths, thousands, 10 thousands..

It's pretty obvious that our number is in the 100 thousands place.

Now if you know you're powers pretty well, this will be easy, although let me try to walk you through it if not.

remember the equation:

7.8 * 10^b

We are trying to find b.

10 to what power is equal to <u>100,000</u>

10^{1} = 10, 10^{2}  = 100, 10^3 = 100, 10^{3} = 1,000, 10^4 = 10,000, 10^5 = 100,000

<u>How I like to remember what a power equals is counting the 0's :)</u>

How we know if our answer is correct is plugging it into our equation and solve:

7.8 * 10^5

We know that 10 to the power of 5 equals 100,000.

7.8 * 100,000

and using a calculator, or mental math, or doing it the old fashion way, we know that <u>7.8 * 100,000 is equal to 780,000</u>

You might be interested in
Nicole has nine dollars to spend on cards she finds friends with the same amount of money to split the cost of a set once it cos
anyanavicka [17]

Answer:

Each Friend will get \frac{x}{3} cards.

Step-by-step explanation:

Let the number of cards be x.

Given:

Amount Nicole used to spend on cards = $9

Total cost of one set =$27

Also, she finds friends with the same amount of money to split the cost of a set.

So, Number of friends she finds can be calculated by dividing the Cost of 1 set  with amount of money Nichole used to spend on cards.

Number of friends she finds = \frac{27}{9} = 3

Hence she finds 2 friends and 1 is nichole hence there are 3 persons carrying $9 to buy $27 set of card

Now, Number of cards each friend gets is equal to Total number of Cards in 1 set divided by number of people.

Number of cards each friend = \frac{x}{3}

Hence Each Friend will get \frac{x}{3} cards.

4 0
3 years ago
worker a earns $7.90 per widget produced, produces 14 widgets per day, and works 10 hours per day. Worker b earns $9.00 per widg
Anni [7]
What are the statements 
3 0
3 years ago
Approximately how many feet is John away from the base of the building
pav-90 [236]
120 ft... a flat vertical line is 180 degrees, and since this is a 30,60,90 triangle, your equation is... 180-60=distance John is to the base
5 0
3 years ago
Read 2 more answers
Which of the following is equal to 5/8÷2/7?
natta225 [31]

Answer:

5/8 * 7/2

Step-by-step explanation:

Whenever you divide fractions, you can use the 'keep change flip' method.

You keep 5/8, change the division sign to multiplication, and then flip the second fraction.

1. 5/8 / 7/2  -  Keep 5/8

2. 5/8 * 7/2  -  Change division sign

3. 5/8 * 2/7  -  Flip the second fraction, 7/2 -> 2/7

5 0
3 years ago
Read 2 more answers
The tax rate on Jerome James 112000 vacation home is 25 Mills the property is assessed at full value how much will Jerome pay in
zaharov [31]

Answer: $2,800

Step-by-step explanation:

Given: The assessment value of Jerome's home= $112,000

We know that to calculate the property tax, we need to multiply the assessment value of the property by the mill rate and then divide by 1,000.

Then, the property tax is given by :-

\text{Property tax}=\dfrac{\$112,000\times25}{100}\\\\\Rightarrow=\text{Property tax}=\$2,800

Therefore, Jerome pay $2,800 as property tax in this year.

4 0
3 years ago
Read 2 more answers
Other questions:
  • A baker has 10 cups of sugar to make cookies. Each batch calls for 1 1/3 cups of sugar.
    11·2 answers
  • Simplify.
    15·1 answer
  • What is two thirds takeaway a half?
    15·1 answer
  • Two-fifths equals how many thirds
    9·1 answer
  • Calculate the slope between the points: (3, -5) and (6,-5)
    15·1 answer
  • Simplify. .<br> 9<br> 10<br> 4<br> 15<br> 0<br> 믐믐<br> X X<br> 6)<br> ?
    9·1 answer
  • What is the solution to the linear equation?
    8·2 answers
  • Please I really need help I’m in a test right now plssss guys
    15·1 answer
  • 9. Jenn went to the farmer's market with $40.00. She bought a 10 lb bag of potatoes for $6.00, a pie for $8.00, 4 qt fresh blueb
    9·1 answer
  • Adam Sandler has 3 pairs of sneakers. They are black, blue and white. If he randomly chooses a pair, what is the probability he
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!