Year 10 Test 2 Review Quiz

• 340000

• 340

• 3400

• 34000

• 0.012

• 0.12

• 1.2

• 12

• 5.4 × 10^-4

• 54 × 10⁵

• 5.4 × 10⁵

• 5.4 × 10⁴

• 7 × 10^-4

• 0.7 × 10^-4

• 7 × 10⁴

• 7 × 10^-5

Evaluate...

(4 × 10³) × (8 × 10¹¹)

• 32 × 10¹⁴

• 3.2 × 10¹⁴

• 32 × 10¹⁵

• 3.2 × 10¹⁵

Evaluate...

(8 × 10¹³) ÷ (2 × 10^-2)

• 4 × 10¹⁵

• 4 × 10¹¹

• 4 × 10^-11

• 4 × 10^-15

Increase 20 by 50%

• 10

• 20

• 30

Decrease £50 by 10%

• £40

• £45

• £5

A TV normally costs £520.

In a sale, all prices are reduced by 10%

Calculate the sale price of the TV

• £572

• £52

• £468

A standard bag of flour weighs 600g.

A special edition bag contains 35% more flour.

How much flour is in the special edition bag?

• 810g

• 390g

• 210g