Question

how do u write 0.0004051 in scientific notation

Answer 1

Multiplying and dividing 0.0004051 by 10,000 we get:

$0.0004051=0.0004051\cdot\frac{10,000}{10,000}\text{ = }\frac{4.051}{10,000}=\frac{4.051}{10^4}=4.051\cdot10^{-4}$