Question

Question 3(iv)
Express the number appearing in the following statements in standard form:
Size of a plant is 0.00001275 m.

Answer 1

Size of a plant cell is 0.00001275 m
$=0.00001275\times \frac{{10}^5}{{10}^5}m=1.275\times {10}^{-5}m[\because a^{-m}=\frac{1}{a^m}]$