Question

Round 7.8365 to the nearest hundredth?

Answer 1

See a solution process below:

Explanation:

To round a number, you take the number to the right of where you want the number to be accurate to. In this problem the second decimal place is `color(red)(3)`:

`7.8color(red)(3)65`

The number to the right of it is `color(blue)(6)`:

`7.8color(red)(3)color(blue)(6)5`

If the number to the right is greater than or equal to `5` you add 1 to the number and eliminate all of the other numbers to the right.

If the number to the right is less than `5` you leave the number as is and eliminate all of the other numbers to the right.

In this case `color(blue)(6)` is greater than or equal to `5` so we need to add `1` to `color(red)(3)` and eliminate all the other numbers to the right:

`7.8color(red)(3)color(blue)(6)5` accurate to the second decimal place is `7.8color(red)(4)`