Question

-0.125¹⁰×（-8）⁹=（　�。�

A．- 1 8

B． 1 8

C．8

D．-8

Answer 1

-0.125¹⁰×（-8）⁹
=-0.125⁹×0.125×（-8）⁹
=-0.125×（-8×0.125）⁹
=-0.125×（-1）
=

1

8

．
故選B．