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Ad libitum [116K]
3 years ago
8

Evaluate. Write your answer as a fraction or whole number without exponents. 2^-2

Mathematics
2 answers:
Nookie1986 [14]3 years ago
5 0

Hello there!

2^-2

Apply the Negative Exponent Law (it states that if you have a number with a negative exponent, you flop it over)

What does it mean?

If we have 2^-2, the law states that we have to flop it over:

\frac{1}{2^{2} }

2^2 (2 times 2) is 4, so

\frac{1}{4}

<h2>Therefore, your answer is: \frac{1}{4}</h2>

Hope this helps you!

~Just a felicitous girlie

#HaveASplendidDay

SilentNature

wlad13 [49]3 years ago
3 0

Answer: 1/2

Step-by-step explanation: turns into 1/2^2 = 1/4

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Answer:

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Answer:

\sf 500,000,000,000=5 \times 10^{11}

\sf 0.00000000005=5 \times 10^{-11}

Step-by-step explanation:

<u>Scientific notation</u>

\large\boxed{a \times 10^n}  

where:

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To convert a number into scientific notation, <u>move</u> the decimal point to the <u>left or right</u> until there is <u>one digit</u> to the left of the decimal point.

The number of times you have moved the decimal point is n.

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To convert 500,000,000,000 into scientific notation, move the decimal point <u>11 places to left</u>, so a = 5.  As we have moved the decimal point 11 places to the left, the exponent "n" is 11 and is <u>positive</u>.

\implies \sf 500,000,000,000=5 \times 10^{11}

To convert 0.00000000005 into scientific notation, move the decimal point <u>11 places to the right</u>, so a = 5.  As we have moved the decimal point 11 places to the right , the exponent "n" is 11 and is <u>negative</u>.

\implies \sf 0.00000000005=5 \times 10^{-11}

Learn more about scientific notation here:

brainly.com/question/28235385

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2 years ago
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Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!!!
puteri [66]

Answer:

I answered this already for you: brainly.com/question/16790720

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A rectangular pyramid has a volume of 90 cubic feet. What is the volume of a rectangular prism with the same size base and same
yanalaym [24]

Answer:

30 cubic feet

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For that we need to use the theorem which says that

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Volume of Rectangular prism = \frac{1}{3} * Volume of rectangular pyramid

=  \frac{1}{3} * 90

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Answer:

6 size of a whole square that the answer

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