Question

Question 1(i)
Express the following numbers in standard form:
0.0000000000085

Answer 1

$0.0000000000085=0.0000000000085\times \frac{{10}^{12}}{{10}^{12}}=8.5\times {10}^{-12}[\because \frac{1}{a^m}=a^{-m}]$