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Mathematics 25 Online
iosangel:

Which expressions are equivalent to

iosangel:

iosangel:

SmokeyBrown:

In this kind of multiplication between exponents, you're able to simply add the exponents together to get the answer. For instance, \[x ^{a}\times x ^{b} = x ^{(a+b)}\] So, if we plug 4^3 and 4^(-5) into this template, we'd get 4^(3-5) as our answer. By simplifying, you should be able to determine which among the answer choices is equal to this result.

iosangel:

So it would be B, D and thats all?

SmokeyBrown:

Well, b and d are correct, but there are some others that also equal 1/16

iosangel:

oh, but i cant see how others would be equivalent to 4^(3-5) though

SmokeyBrown:

Oh, the way I said that may have been confusing. 4^(3-5) is equal to 4^(-2) is equal to 1/16 If my count is correct, I think that 7 of the answer choices in all should be equal to 4^(3-5)

iosangel:

So B,D,H.and I. Right?

SmokeyBrown:

Yup, that's right. And there are three more that are equal as well

iosangel:

oh

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