Question

How do you express $0.00000054$ in scientific notation?

Answer 1

Express $0.00000054$ in scientific notation:

The scientific notation is $a\times {10}^b$ such that $a$ is a non-zero digit.

In the given notation shift the decimal points 7 places to the right. ($\text{6 -zeros and one digit -5}$)

$0.00000054=5.4\times {10}^{-7}$

Thus, $0.00000054$ is expressed as $5.4\times {10}^{-7}$ in scientific notation.