How do you evaluate #5^3*2^3#?

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Answer 1 · 2016-08-17T18:32:44

#1000#

Let's use one of the laws of indices to make this calculation MUCH easier.

#(5^3 xx 2^3) = (5xx2)^3" both raised to same power"#

=#(10)^3 = 1000#

Or we could calculate the powers first, then the multiplication.

#5^3 xx 2^3#

=# 125 xx 8#

=#1000#