3 years ago

I need help please and thank you

Mathematics

1 answer:

notsponge [240]3 years ago

7 0

Answer:

12.56

Step-by-step explanation:

Radius*2=Diameter

Circumference is pi*Diameter

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Which number is the same as ? A. -2 B. 1/8 C. 2 D. 32 E. 512

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$a^{-m}=\frac{1}{a^{m}}\\\\\frac{1}{a^{-m}}=a^{m}\\\\\\a^{m}*a^{n}=a^{m+n}\\\\\frac{a^{m}}{a^{n}}=a^{m-n}$

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In exponent multiplication, if two numbers have same base, just add the exponents

In exponent division, if two numbers have same base, just subtract the exponents

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