Round 742396 to four, three and two significant digits.

Round off 231.45 to four, three and two significant digits.

Round off 231.45 to four, three and two significant digits.

Round off 0.07284 to four, three and two significant digits.

Round off 0.07284 to four, three and two significant digits.

Round off the given numbers upto 3 significant digits. (a) 18.65 (b) 429253 (c ) 13.653.

Round off 1.00876 to four significant digits.

Round off to three significant digits (i) 0.03927kg (ii) 4.085xx10^8s

After rounding off the number 4621 to 2 significant digits the value becomes

After rounding off the number 4621 to 2 significant digits the value becomes

Round off the followng numbers to three significant digit a. 15462, b. 14.745, c. 14.750 and d. 14.650xx10^12 .