Chapter 6

Percentages

100

5% as decimal

0,05

200

25% + 3% - 5%

23%

300

2% as fraction in simplest form

1/50

400

10% ÷ 2% as integer number

5

500

3% × 2% as fraction in simplest form

3/5000

Decimals

100

0,25 as fraction in simplest form

1/4

200

0,5 as percentage

50%

300

3,4 + 55

58,4

400

2,5 × 3

7,5

500

4,2 + 9,2 × 4

78,8

Fractions

100

1/2 as decimal

0,5

200

15/7 as mixed fractions

2 1/7

300

2/3 as percentage in simplest form mixed fraction

66 2/3%

400

2/3 + 6/5

28/15

500

1/3 × 6/7 in simplest form fraction

2/7

Standard Form

100

200 as standard form

2 × 10²

200

3,2 × 10³ as original number

3200

300

2500 + 40 as standard form

2,540 × 10³

400

(2 × 10³) × (5 × 10⁶)

1 × 10¹⁰

500

(5 × 10⁵) + (6 × 10⁴)

5,6 × 10⁵

Mixed

100

1/2 + 3

7/2

200

4,3 × 2/3

8,6/3

300

10% - 5/2 as fraction in simplest form

- 24/10

400

(2 × 10²) ÷ (7 × 10⁹)

2,8 × 10^-8

500

(2,4 × 10⁵)³

1,3824 × 10¹⁶