Question

Solve the following ao.d express the result to an appropriate number ofsignificant figures:

a) Add: 62g, 4.33g andl 7.456g b) subtract .: 63.54kg from 187.2kg. c) Multiply: 75.5xl25.2x0.51
​

Answer 1

a-. 62+4.33+17.456= 83.786 g

b- 187.2-63.54= 123.66kg

c- 75.5×125.2×0.51=9452.6×0.51=4820.826