Question

(10 elevado a -2 . 10 elevado a -3 . 10 elevado a -4 ) ÷ (10 elevado a -1 . 10 elevado a -6 ) =

Answer 1

Resposta: $10^{-2} = 0,02$

$10^{-2} . 10^{-3}.10^{-4} : 10^{-1} . 10^{-6} =\\\\10^{-9} : 10^{-7} = \\\\10^{-9 - (-7)} = \\\\10^{-9+7} = \\\\10^{-2} = 0,02$