Decimal computation
Decimal Places
Significant Figures
Standard Form
Ratio
100
0.83+1.09

What is 1.92

100

0.536 to 2 dp

0.54

100

0.004356 to 2 sf

0.0044

100

0.00459

4.59 x 10 (-3)

100

J and A share $3000 in the ratio 4:1. How much does A receive?

$600

200

3.21 - 2.74

0.47

200

2.3948 to 3 dp

2.395

200

29.456 to 1 sf

30

200

4900

4.9x10 (3)

200

A and M share 450 mangoes in the ratio 5:4. How much does M receive? 

200

300

0.23x1.5

0.345

300

12.054 to 1 dp

12.1

300

1.000039 to 2 sf

1.0

300

390

3.9x10 (2)

300

Tim and John share a sum of money in the ratio 7:8. Tim gets $60 less than John, how much money did they share?

$900

400

1.4x2.9=

4.06

400

0.997 to 2 dp

1.00

400
0.000349 to 1 sf

0.0003

400

0.000093

9.3 x 10 (-5)

400

Tim and John share a sum of money in the ratio 7:8. Tim gets $60 less than John, how much money did Tim receive?

$420

500

19.6 divided by 2

9.8

500

9.956 to 1 dp

10.0

500

4.095 to 3 sf

4.10

500

0.000990

9.9 x 10 (-4)

500

A sum of money is shared in the ratio 7:3. The larger share is $700. How much was the total sum of money?

$1000

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