Decimals
Significant Figures 1
Significant Figures and Decimal Places
Significant Figures 2
Standard Form
100

15.08554 rounded to the nearest thousandth

15.086

100

How many significant figures is 53

2

100

Evaluate 2.3 x 4.9 to 1 d.p

11.3

100

445.1994 rounded to 1 significant figure

400

100

156 in Standard form

1.56 * 102

200

37.0001 rounded to the nearest tenth

37.0

200

How many significant figures is 86, 010

4

200

Estimate 24 x 34 to 1 significant figure

800
200

385.3229 rounded to two significant figures

390

200

0.000023 in standard form is

2.3 * 10-6

300

944.098352 to the nearest ten thousandth

944.0984

300

How many significant figures is 5.09?

3
300

Estimate 39.009 X 49.1 / 89 to 3 d.p

21.521

300

502.04349 rounded to 4 significant figures

502.0

400

Round 992.9999987  to 3 decimal places

993.000

400

How many significant figures is 9.005

4

400

Estimate (14.9 x 21.9) / (12.8 x 1.9) to 2 sig. fig

13

400

3.008658 rounded to 3 significant figures

3.01

500

Round 0.0000000001 to one decimal place

0.0

500

How many significant figures is 0.00876?

3

500

(45+62)/ (33+76) to two significant figures

0.98

500

0.00019 rounded to 1 significant figure

0

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