Question

a-(10 elevado a 2 negativo)elevado ao cubo vezes 10 elevado a quarta potencia vezes 10 elevado a 5 negativo

Answer 1

10^-6 * 10^4 * 10^-5 = 10^-7
espero ter ajudado, bons estudos

Answer 2

$(10^{-2})^3*10^4*10^{-5}\to \\\\10^{-2*3}*10^4*10^{-5}\to \\\\10^{-6}*10^4*10^{-5}\to \\\\ 10^{-6+4+(-5)}\to \\\\10^{-6+4-5}\to \\\\10^{-11+4}\to \\\\10^{-7}\to \\\\ \frac{1}{10} ^7\to\\\\ \frac{1}{10.000.000}$