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3 years ago

I need help A.S.A.P.

Mathematics

2 answers:

ziro4ka [17]3 years ago

3 0

C is the answer because u just try

leva [86]3 years ago

3 0

Answer:

Option A - $\frac{5E(-9)}{2E(4)}=2.5E(-13)$

Step-by-step explanation:

Given : Samuel entered the following key strokes on his calculator $\frac{5E(-9)}{2E(4)}$

To find : What did Samuel’s calculator display?

Solution :

Expression,

$\frac{5E(-9)}{2E(4)}$

We know that, E means 10 to the power

So, Converting scientific notation into standard form

$=\frac{5\times 10^{-9}}{2\times 10^{4}}$

Solve the division,

$=\frac{5}{2}\times 10^{-9-4}$

$=2.5\times 10^{-13}$

Converting standard into scientific,

$=2.5E(-13)$

Therefore, $\frac{5E(-9)}{2E(4)}=2.5E(-13)$

So, Option A is correct.

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4 years ago

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Answer:

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Step-by-step explanation:

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