Question

Write each number in scientific notation 0.0000049

Answer 1

scientific notation simply means, leave only an integer to the left-side of the dot and use power of 10 for the amount.

$\bf 0\underline{.000004}9\implies 4.9\times 10^{-6}\impliedby \begin{array}{llll} \textit{we moved the dot 6 slots}\\ \textit{to the right, so }10^{-6} \end{array}$

Answer 2

It will be. 0.49 X 10’-7