Free Printable Standard Form - Large numbers and Multiplication

1.

50 000 in standard form is

a)

$50\times10^3$

b)

$0.5\times10^4$

c)

$5\times10^4$

d)

$5^4$

2.

Round off 15743 to three significant figures

a)

15700

b)

15800

c)

16700

d)

157

3.

Convert 6.023 x 10⁵ to a normal number

a)

602 300

b)

60 230

c)

6.023 000 00

d)

6 023 000

4.

Calculate. ( 5 x 10^-3) × (4 x 10^-2)

a)

20 × 10^-5

b)

2 × 10^-6

c)

2 × 10^-4

d)

20 × 10⁶

5.

Calculate (2 × 10⁵) × (3 × 10²)

a)

5 × 10⁷

b)

6 × 10¹⁰

c)

6 × 10⁷

d)

5 × 10¹⁰

6.

Round 1047.78 to three significant figures

(a)

7.

What is 0.658 rounded to 1 significant figure?

(a)

8.

Round 0.010229 to four sig figs

(a)

9.

What is $1.2\times10^6\times3\times10^7$

a)

$36\times10^{14}$

b)

$3.6\times10^{13}$

c)

$3.6\times10^{14}$

d)

$3.6\times10^{42}$

10.

$\left(2\times10^3\right)\times\left(2.3\times10^5\right)$

a)

$26\times10^8$

b)

$4.3\times10^{15}$

c)

$2.23\times10^8$

d)

$4.6\times10^8$

Standard Form - Large numbers and Multiplication

Total questions: 10

Worksheet time: 20mins

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