Question

express in standard form a) 0.0000004m b) 0.000007mm​

Answer 1

Answer:

a) 4 × 10^(-7) m

b) 7 × 10^(-6) mm

Answer 2

$\huge a) \: 4 \times {10}^{7}$

$\huge b) \: 7 \times 10 {}^{7}$

Khadijah21