UNIT 1 REVISION MATHS-WORKING WITH NUMBERS

2^5

• 32

• 28

• 36

• 67

1.2^2

• 1.44

• 2.27

• 4.8

• 6.2

3.82x10^3

• 3820

• 340

• 278

• 754

2^7

• 128

• 156

• 197

• 156

the value of 1000000 is:

• one million

• four million

• ten million

3^5x3^2 is

• 2187

• 219

• 220

4^7x4^9

• 4^16.

• 4^17

• 4^19

1547 to the nearest 10

• 1550

• 1520

• 1523

7.5078 correct to three significant figures

• 1550

• 160

• 134

• 159