2 years ago

PLEASE HELP PLEASE PLEASE PLEASE PLZZZZZZZZZZZ

Mathematics

1 answer:

Monica [59]2 years ago

8 0

The answer is B bc 1/2 = 4/8 and then 4/8 + 3/8 = 7/8

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Step-by-step explanation:

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Prove the divisibility of the following numbers: 45^10·5^40 by 25^20

beks73 [17]

For this case we have the following expressions:

$45^{10} * 5^ {40}$ and $25^{20}$

Let:

$45^{10} * 5^ {40}$ (Integer m)

$25^{20}$ (Integer n)

By definition, an integer m is divisible by an integer n if the remainder of the division is 0. That is, there is an integer p such that: $m = n * p$

Rewriting the expression we have:

$25^{20} = 5^{2 * (20)} = 5^{ 40}$

So:

$\frac {45^{10} * 5^{ 40}} {5^{40}} =$

We cancel similar terms:

$45^{10}$

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$45^{10} * 5^{ 40} = 5^{ 40} * 45^{ 10}$

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