Question

Round this number to two significant figures. 8,468

Answer 1

8500

10^3 x 8.5 = 8500

Answer 2

Rounding to two significant figures the number became

`8468=8\bar{5}00`

Explanation:

Given : Number 8,468

To find : Round this number to two significant figure ?

Solution :

Rounding to two significant figure we have to estimate or round the values in terms of zeros.

Rounding the number to hundreds value,

As 6 is greater than 5 so 4 rounds to 5 and rest became zero.

i.e.
`8468=8\bar{5}00`

bar means the estimated value.

Therefore, Rounding to two significant figures the number became

`8468=8\bar{5}00`