Question

1. Give the number 78.07526 correct to

a. 1 decimal place
b. 2 decimal places
c. 3 decimal places

Answer 1

Answer is

The number 78.07526
a. 1 decimal place = 78.1
b. 2 decimal places = 78.08
c. 3 decimal places = 78.075

Step by step

78.07526 correct to
a. 1 decimal place - the 7 next to 0 is equal to or larger than 5 so it increases the 0 to 1.
b. 2 decimal places - the 5 next to the 7 is equal to or larger than 5 so it increases the 7 to 8
c. 3 decimal places - the 2 next to the 5 is less than 5 so there is no change.

Answer 2

Explanation:

When the digit in the thousands place is < 5, the thousandths place and following digits are replace by 0.

2. When the digit in the thousands place is = or > 5, the digit in the hundredths places is increased by 1 and the following digits become 0.