Subtract 3.68 from the sum of 2.44 and 3.72.
2.33
2.48
2.66
2.72
First adding the number 2.44 and 3.72, we get ∴ 2.44 +3.72−−−− 6.16−−−−Now, Subtract 3.68 from 6.16 5 10 16 /6./1/6−3. 6 8−−−−− 2. 4 8−−−−− Hence, the new number is 2.48.
Sum to 20 terms of the series 1.32 + 2.52 + 3.72 +... is:
Subtract the sum of −1250 and 1138 from the sum of 1136 and −1272.