Question

Match the number of significant figures to the value or problem.2000 + 20.5 3 45. 4 6.01. 2106.2 + 54.07 1

Answer 1

hello

to solve this qestion, we just need to evaluate this expression

1. 2000 + 20.5

`2000+20.5=2020.5`

the answer is 4 signifigant figures. it can be further rounded up to make 2021 which is a four significant figure

2. 45

the number 45 is a two significant figure

3. 6.01

this can be rounded down into 6.0 which is in 1 significant figure

4. 106.2 + 54.07

`106.2+54.07=160.27`

the answer value is 160.27 which is a three significant value.