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Svetlanka [38]
3 years ago
6

N^3 = n? × n^-3 What is the substitute for the question mark?

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

You have the expression

n^3=n^{?}\cdot n^{-3}

and want to find ?.

First, note the property

n^m\cdot n^k=n^{m+k}.

Using this property, you can write

n^{?}\cdot n^{-3}=n^{?+(-3)}=n^{?-3}.

If

n^3=n^{?-3},

then

3=?-3,\\ \\?-3=3,\\ \\?=3+3,\\ \\?=6.

Answer: 6.


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