Rounding to significant figures (Part 2)

Maths

Using a calculator or otherwise, work out the volume of a cube with length 6.5cm. Give your answer to 3 significant figures.

Find the area of a rectangle with a base of 9.8 cm and a height of 4.8 cm. Give your answer to 3 s.f.

Use your calculator to work out the value of:

How precise a measure is, usually shown in the number of decimal places or significant digits

Measurements only rounded to a given significant figure

How many significant figures does 0.0045 have?

How many significant figures does 5610 have?

Rounding 405.3 to the nearest integer is the same as rounding to ________ significant figures.

Significant figure tell us how many numbers after the decimal point

Significant figures are the number of digits in a value, often a measurement, that tells us the degree of accuracy of the value.