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miskamm [114]
2 years ago
6

19. If the base is 4, what is the value if the exponent is 2? What if the exponent is -2?

Mathematics
2 answers:
Stells [14]2 years ago
6 0

Answer:

16, 1/16

Step-by-step explanation:

(4)^2 =16

(4)^{-2} =\frac{1}{16}

Hope it helps you in your learning process.

Bingel [31]2 years ago
5 0

\large{\textsf{\textbf{Answer\::}}

Option B

\large{\textsf{\textbf{Calculations\::}}

If the base is 4 , and the exponent is 2 , then the expression looks as follows :

\textbf{\textsf{$4^2$}}

So we multiply 4 times itself .

The answer is :

\textsf{\textbf{16}}

<em>Detail :</em> 4² is not equal to 4×2 , and here's why .

4² = 4 × 4 = 16

4 × 2 = 8

Now , if the exponent is negative , then we turn the number over as follows :

4⁻² = \mathsf{\dfrac{1}{16} }

So the right option is :

\bigcirc 16 , -16

\bigcirc\!\!\!\!\!\!\bigstar 16 , 1/16

\bigcirc 8 , -8

\bigcirc 8 , 1/8

(Option B is right)

\footnotesize\text{hope\:helpful~}

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