Write down the first significant figure of: 565

Write down the first significant figure of: 0.00456

How many significant figures are there in the number: 6 008

How many significant figures are there in the number: 0.0306

How many significant figures are there in the number: 1440

How many significant figures are there in the number: 50.0210

Round off the following number to 1 significant figure: 0.543

Round off the following number to 1 significant figure: 2 080

Round off the following number to 2 significant figures: 2 080

Round off the following number to 2 significant figures: 0.1975

How many significant figures are there in: 32.0, correct to the nearest 0.1

How many significant figures are there in: 0.007 00, correct to 5 decimal places

Round off each number involved to 1 significant figure. Then, estimate the value of the expression. 5 974 x 3.18

The length of a ruler is measured as 20 cm,and the actual length is 20.2 cm. Find the absolute error.

The length of a ruler is measured as 20 cm, correct to the nearest 1 cm. Find the maximum error of the measured length.

The volume of a bottle of milk is 280 mL. Mary measured it as 285 mL. Find the absolute error.

The volume of a bottle of milk is measured as 280 mL, correct to the nearest 6 mL. Find the maximum error.