Question

Perform the following calculation and report the answer with the correct number of significant figures.

81.72 +0.73 =

Answer 1

82.72 + 0.73 = 82.45

Step-by-step explanation:

0.72+0.73 = 1.45

Therefore 81+1.45= 82.45 ( Integer in addition with a decimal number).

Answer 2

81.72 +0.73=82.45

Step-by-step explanation:

• you need to add it

1

81.72

+0.73

= 82.45