Free Printable Chapter 2: Standard Form

1.

Round off 2475 correct to 2 significant figures.

a)

2000

b)

2400

c)

2500

d)

2480

2.

Round off 54 299 correct to 4 significant figures.

a)

5429

b)

5430

c)

54 290

d)

54 300

3.

Round off 0.0007018 correct to 3 significant figures.

a)

0.00

b)

0.001

c)

0.00070

d)

0.000702

4.

Round off 35.074 correct to 1 significant figure.

a)

30

b)

35

c)

36

d)

40

5.

State the number of significant figures for 0.002000.

a)

4

b)

3

c)

2

d)

1

6.

State the number of significant figures of 2600.

a)

1

b)

2

c)

3

d)

4

7.

Write 5075 in standard form.

a)

$5.075\ \times\ 10^1$

b)

$5.075\ \times\ 10^2$

c)

$5.075\ \times\ 10^3$

d)

$5.075\ \times\ 10^4$

8.

Write 97.25 in standard form.

a)

$9.725\ \times\ 10^1$

b)

$9.725\ \times\ 10^3$

c)

$9.725\ \times\ 10^{-1}$

d)

$9.725\ \times\ 10^{-3}$

9.

Change 4.23 x 10²to single numbers.

a)

0.423

b)

0.0423

c)

42.3

d)

423

10.

Change 7.29 x 10^-2to single numbers.

a)

0.0729

b)

0.729

c)

72.9

d)

729

11.

Convert 5150 km kepada m. Give your answer in standard form.

Tukarkan 5150 km kepada m. Pilih jawapan anda dalam bentuk piawai.

a)

5.15 x 10⁵ m

b)

5.15 x 10⁶ m

c)

5.15 x 10⁷ m

d)

5.15 x 10⁴ m

12.

Solve this problem. Your answer in standard form."Selesaikan masalah ini.Jawapan dalam bentuk piawai"

(a) 6.2 x 10³ + 5.4 x 10³

(b) 3.95 x 10⁴ + 2.44 x 10⁵

a)

(a) 1.61 x 10³ , (b) 2.835 x 10⁴

b)

(a) 16.1 x 10³ , (b) 28.35 x 10⁴

c)

(a) 1.16 x 10⁴ , (b) 2.835 x 10⁵

d)

(a) 1.11 x 10⁴ , (b) 2.833 x 10⁵

13.

Solve this. Choose your answer in standard form. Selesaikan. Plih jawapan dalam bentuk piawai.

(a) 4.56 x 10^-2 - 2.08 x 10^-2

(b) 7.6 x 10^-3 - 8.5 x 10^-4

a)

(a) 2.48 x 10^-2 , (b) 6.75 x 10^-3

b)

(a) 2.84 x 10^-2 , (b) 6.57 x 10^-3

c)

(a) 2.48 x 10^-2, (b) 67.5 x 10^-2

14.

Solve. Choose the best answer in standard form.
Selesaikan. Pilih jawapan yang tepat dalam bentuk piawai.

(a) $\frac{6.3\ \times\ 10^4}{5\ \times\ 10^2}$
(b) $\frac{7.5\ \times10^{-5}}{3\ \times10^{-3}}$

a)

(a) $1.26\ \times10^2$ , (b) $2.5\ \times\ 10^{-2}$

b)

(a) 126 , (b) 0.025

c)

(a) $12.6\ \times10^1$ , (b) 25

15.

5.38 x 10^-3 =

a)

0.000538

b)

0.00538

c)

5380

d)

538000

16.

2 A Proton Wira has travelled for 160 km with using 14.5 litre petrol.

Sebuah kereta Proton Wira bergerak sejauh 160 km dengan isian petrol sebanyak 14.5 liter.

Calculate, in metre, the distance travel with 50 litre petrol.

Hitungkan, dalam meter, jarak yang boleh dilalui dengan 50 liter petrol.

a)

4.64 x 10⁴

b)

5.52 x 10⁴

c)

1.16 x 10⁵

d)

5.52 x 10⁵

17.

a)

80200

b)

802

c)

0.00082

d)

0.000802

18.

a)

b)

c)

d)

19.

Round off 0.073052 correct to three significant figures.

Bundarkan 0.073052 betul kepada tiga angka bererti.

a)

0.07

b)

0.073

c)

0.0730

d)

0.0731

20.

Do you like this chapter?

Adakah anda suka bab ini?

a)

Really likes

sangat suka

b)

Likes

suka

c)

Hate it!

tidak suka

Chapter 2: Standard Form

Total questions: 20

Worksheet time: 10mins

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