Question

simplify each of the following.

${2 }^{3} \times {2}^{ 7}$
${( - 4)}^{6} \times {( - 4)}^{5}$

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Answer 1

$(2)^{3} \times {(2})^{7}$

$({2})^{3 + 7} = ({2})^{10} = 1024$

Answer 2

i)(2)³×(2)⁷

By a^m×a^n=a^mn

=2^3+7

=2¹⁰

=1024

ii)(-4)⁶×(-4)⁵

By a^m×a^n=a^mn

=-4^6+5

=-4¹¹

=-4194304

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