# How do you write 549.65 in scientific notation?

Mar 4, 2018

$5.4965 \cdot {10}^{2}$

#### Explanation:

We are given the number $549.65$. In scientific notation, we put a number and then multiply it by ${10}^{n} , n \in \mathbb{Z}$.

So, we must rewrite the number as

$5.4965 \cdot {10}^{2}$

and that's it!

Mar 4, 2018

$5.4965 \times {10}^{2}$

#### Explanation:

$549.65 = 5.4965 \times {10}^{2}$

The number is written with decimal point placed after the first digit, and 10 to the power of that will put the decimal point back where it should be.