Ximpledu

Rounding (Decimal)

See how to round a decimal
(to the nearest tenth, hundredth, thousandth).
4 examples and their solutions.

Rounding

Formula

n...

: 0 ~ 4
n

: 5 ~ 9
(n + 1)
When rounding a number:
If the right side number is in 0 ~ 4,
then don't change n.
If the right side number is in 5 ~ 9,
then nn + 1.

Example

Round 2.71828... to the nearest hundredth.
Solution

Example

Round 3.141592... to the nearest hundredth.
Solution

Example

Round 3.141592... to the nearest tenth.
Solution

Example

Round 3.141592... to the nearest thousandth.
Solution