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iren2701 [21]
3 years ago
15

Terri is rewriting 7 to the 13th power in expanded form. How many factors should she use in her expression?

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
7 0
13


Because the exponent is really just how many factors you have.
For example 2 to the power 5 would have 5 factors in expanded form.
Greeley [361]3 years ago
5 0

Answer:

13

Step-by-step explanation:

Factors is a mathematical or statistical term that describes the numbers you multiply to get another number.

Hence, given that Terri should rewrite 7 to the 13th in expanded form,

Then, she should use 13 factors.

All 13 factors are the same thing . . . 7 .

7^13 should be written as 7¹³ .

Therefore: it works like this: 7*7*7*7*7*7*7*7*7*7*7*7*7

Hence, final answer is 13

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Answer:

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Step-by-step explanation:

First, let's figure out how to get the <em>volume </em>of a sphere from its <em>surface area</em>. If r is the radius of our sphere, then

The formula for a sphere's surface area is A = 4\pi r^2

The formula for a sphere's volume is V=\frac{4}{3}\pi r^3

So to get from area to volume, we have to <em>divide the area by 3 </em>and then <em>multiply it by r.</em> Mathematically:

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Before we solve for V though, we need to find the radius of our sphere. Thankfully, we're given the surface area - 400\pi ft² - so we can use the area formula to find that radius:

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V=\frac{A}{3} r=\frac{400\pi}{3}(10)=\frac{4000\pi}{3} ft³

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