Solve the following and express the result to appropriate number of significant figures : (i) `(2.51xx10^(-4)xx1.81xx10^7)/(0.4463)`
(ii) 1.567 + 0.958 - 0.27

Solve the following and express the result to an appropriate number of significant figures. (v) (2.51xx10^(-4)xx1.81xx10^(7))/(0.4463)

Solve the following and express the result to an appropriate number of significant figures. (iii) 75.5xx125.2xx0.51

Solve the following and express the result to an appropriate number of significant figures. (vi) (2.13xx24.78)/(485.2)

What is the number of significant figures in 0.310xx10^(-2)

What is the number of significant figures in 0.310xx10

Find the number of significant figures in the 4.51 xx 10^8

Find the number of significant figures in the 4.51 xx 10^8

Solve the following expressions and express the result to an appropriate number of significant figures : (i) 65.5xx135.1xx0.61 (ii) (4.23xx25.68)/(658.2) (iii) (3.51xx10^(-4)xx2.71xx10^(7))/(0.5562) .