Question

a sea otter is a mammal with the thickest fur. it can have 943,725 hairs per square inch. write an estimation in scientific notation for the number of hairs. about ______ hairs per square inch

Explanation:

Step1: Round the number

Round 943725 to a number with one non - zero digit. 943725 is approximately 900000.

Step2: Write in scientific notation

Scientific notation is of the form $a\times10^{n}$, where $1\leq a<10$ and $n$ is an integer. For 900000, we can write it as $9\times10^{5}$.

Answer:

$9\times10^{5}$