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Tomtit [17]
3 years ago
9

**show your work please

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0

Answer:

4.6 × 10⁹

Step-by-step explanation:

I'm not really sure how I would write it down to show how I worked it out.

For me, I usually know in scientific notation, it's usually a decimal number multipled by 10 raised to a certain level of power.

So I just did 4,600,000,000 and turned that into a decimal without its extra zeros, which would be 4.6. Then I worked out how many places the decimal would be from there, which is 9 spaces behind 4.6.

Sergeu [11.5K]3 years ago
4 0

Answer:

For example the age of the Earth (see above) can be written as 4.6 X 109 years. This means that this number has 9 places after the decimal place - filled with zeros unless a number comes after the decimal when writing scientific notation. So 4.6 X 109 years represents 4600000000 years.

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The ice cream store sells sundaes. Each sundae costs $2.50 plus $0.35 for each topping. Find the rate of change and initial valu
Kobotan [32]

Answer:

rate of change: $0.35; initial value: $2.50; Equation: y= 0.35x + 2.50

Step-by-step explanation:

The rate of change is $0.35 because it's the one to change the total cost of the ice cream. If you get 3 toppings, you'll end up with 1.05 more dollars than if you had 0 toppings. And because of that, the initial value would also be $2.50, that's the minimum price you'll have to pay if you do want a sundae.

The equation is just restating all that, you start with the inital value b=$2.50, and the price will go up by 0.35 for every topping you add to the sundae.

Hope this helped :)

6 0
3 years ago
Read 2 more answers
Pls help! due tonight! Will give brainliest! And pls explain! 16 points!
iris [78.8K]
First of all, x =-1 (y don’t change) so first 2 answer is out.
Now mirror to x-1 >>>
A(0,-1)
0 >> -1 is left one step so -1 left one step is -2
A(0,-1) >> A’(-2,-1)

A(-5,0)
-5 >> -1 is right 4 step so -1 right 4 step is 3
A’(3,0)
This is correct
Answer is D

You can see explain here:
https://youtu.be/Zro30Ui9FXs
8 0
3 years ago
−2−(−4)−2 i need help pls
schepotkina [342]

Answer:

0

Step-by-step explanation:

−2−(−4)−2

=2−2

=0

7 0
3 years ago
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Solve for all values of x by factoring.<br> x^2-11x+10=0
noname [10]

Answer:

x= 10, x=1

Step-by-step explanation:

(x-1)(x-10)=0

then solve for x

6 0
3 years ago
Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number? a) 4 b) 6 c) 8 d) 10
kogti [31]

Answer:

10

Step-by-step explanation:

First you do 8 × 4, this gives the total of the four numbers.

8 \times 4 = 32

Then, subtract the total of 3 of the numbers from the total of 4 of the numbers.

32 - 22 = 10

5 0
3 years ago
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