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tatiyna
3 years ago
11

Given that a = 4.8 × 104 and that b = 8 × 10−3

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0

Answer:

3.84 * 10^0

Step-by-step explanation

Given the following values;

a = 4.8 × 104 and that b = 8 × 10−3

We are to find the product ab

ab = (4.8 × 10^4)(8 × 10^−3)

ab = (4.8*8)(10^4 * 10^-3)

ab = 38.4 * 10^(4-3)

ab = 38.4 * 10^-1

ab = 3.84 * 10 * 10^-1

ab = 3.84* 10^0

<em>Hence the product in standard form is expressed as 3.84 * 10^0</em>

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Are the ratios 2:1 and 10:5 equivalent? yes or no
siniylev [52]

Answer:

Yes

Step-by-step explanation:

10/5 = 2 and 5/5 = 1

3 0
3 years ago
Read 2 more answers
Can someone help me out please?? I don’t understand and this is 7th grade math stuff btw.
Vitek1552 [10]
It would be 28-10=x because your ending up with 28 after earning 10 you would get that. Hope this works!
4 0
3 years ago
A rectangular exercise mat has a perimeter of 36 feet. The length of the mat is twice the width. Write and solve an equation to
Karo-lina-s [1.5K]
<h2>Hello!</h2>

The answers are:

- Length

length=2width=12feet

- Width

width=6feet

- Area

Area=72feet^{2}

<h2>Why?</h2>

We are given the perimeter of a rectangular mat, and we are asked to find the area, and write an equation to determine the length, if feet, of the mat. To solve this problem we need to remember the equation of the perimeter of a rectangle, which is:

Perimeter=2length+2width

Using the given information we have,

36feet=2length+2width

Also, we know that the length is twice the width, so:

length=2width

Then, substituting the second equation into the first equation, we can find the width of the mat.

Substituting, we have:

36feet=2(2width)+2width

36feet=4width+2width

36feet=6width

[tex]\frac{36feet}{6} =width\\width=\frac{36feet}{6} =6feet[/tex]

Then, substituting the width into the second equation, we can find the length of the mat,

Substituting, we have:

length=2width

length=2(6feet)=12feet

Then, finding the area, we have:

A=length*width=12feet*6feet=72feet^{2}

Have a nice day!

7 0
4 years ago
What is the unit price for 4.80​
Anastasy [175]

Answer:

4.8

Step-by-step explanation:

4.80+0 because if u add 4.80+0 equal 4.8

4 0
3 years ago
casey invested $1,225 in a certain bond that pays 19% interest compounded annually. How long will it take for Brad’s investment
AleksandrR [38]

Answer:

6.32 years

Step-by-step explanation:

To get the time taken to triple the amount invested, we must first establish the compound interest formula. When a principal amount P is invested for a time n at a rate r percent, the amount A after n years may be expressed as

A = P (1 + r)^n

Hence if $1,225 is to triple, the amount will be

= $1,225 *3

= $3,675

The time n for this to happen may be computed through the equation

$3,675 = $1,225 ( 1 + 0.19)^n

3 = 1.19^n

take the log of both sides

log 3 = log 1.19^n

using the law of logarithms that log a^b = b log a

n log 1.19 = log 3

n = log 3 / log 1.19

n = 6.32 years

8 0
4 years ago
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