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Mathematics 8 Online
OpenStudy (anonymous):

Help!!!!!

OpenStudy (anonymous):

Evaluate: 2-4 = A. -8 B. -16 C. D.

OpenStudy (anonymous):

aggreeed

OpenStudy (anonymous):

c is 1/16

OpenStudy (anonymous):

d 1/8

OpenStudy (anonymous):

|dw:1453835459519:dw|

OpenStudy (anonymous):

Oh, 1/16

OpenStudy (mathmale):

thank you for clarifying that. What do "rules of exponentiation" tell you about this problem?

OpenStudy (anonymous):

ohh you wrote the problem worng

OpenStudy (mathmale):

@funkandroll42 : Your goal here is to help dawson learn how to do these problems himself. Do NOT do the work for him and give him the answers. Involve him in the learning process.

OpenStudy (skullpatrol):

$$\Huge a^{-n} = \dfrac{1}{a^n}$$

OpenStudy (skullpatrol):

For your question let a = 2 and n = 4.

OpenStudy (skullpatrol):

That means replace a with 2 and replace n with 4.

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