Question

10^-4x10^-4. equals to ?​

Answer 1

10^4 × 10^4

=1/10^4 × 1/10^4 (by identity a^-m = 1/a^m

=1/10^4+4 (because of by using identity a^m + a^n = a^m+n

=1/10^8 = 10^-8

so, its answer is 10^-8.

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