Question

calcule as potências com expoentes negativos
a) 2-³
b) 3-²
C) -5
10​

Answer 1

${2}^{ - 3} = ( \frac{1}{2} ) {}^{3} = \frac{1}{8}$

${3}^{ - 2} = ( \frac{1}{3} ) {}^{2} = \frac{1}{9}$

${10}^{ - 5} = ( \frac{1}{10} ) {}^{ 5} = \frac{1}{100000}$

Answer 2

Resposta:

a) 1/8 = 0,125

b) 1/9 = 0,1

c) 1/100000 = 0,00001