Question

I don’t really know how to do this and need help

Answer 1

3,550,000

Step-by-step explanation:

3 significant figures is a number which has 3 figures

and zeros ( zero is not a figure )

Answer 2

3550,000

Step-by-step explanation:

Rounding rule:

If > 5 enter one

If < 5 rounding

Note:

< = less than

> = greater than.

Solve:

Base on the given:

it < 5 rounding

Thus,

3545,530 ≈ 3550,000

~Lenvy~