Question

a) write its standard form​

Answer 1

Answer:

1.

$\: 1 \: micron = 1.0 \times {10}^{ - 4}$m

2.

$({ { - 1})^{ - 1} })^{ - 1} = ( { \frac{ - 1}{1} })^{ - 1} = </strong><strong>-</strong><strong>1$

Answer 2

don't know................