Question

Find the value of 21.03 + 80.4 - 21.03 ​

Answer 1

Solution: 80.4

Process:

21.03 + 80.04 = 101.43

*Use an Additional 0 as a Placeholder*

101.43 - 21.03 = 80.04 A.K.A 80.4

Answer 2

80.4

Explanation:

21.03 + 80.4 - 21.03

21.03 - 21.03 cancel each other out because it equals 0.

The equation becomes 0 + 80.4 = 80.4