Revision Rockets

Answers

Q1) Calculate

3 11 × 7 11
21 121

Q2) Convert to standard form

7230
7.23× 10 3

Q3) Calculate

3 ×5+7
22

Q4) Decrease

£4400 by 8% over 8 years using simple interest.

£1584

Q5) Is this standard form?

2.8× 10 3
Yes

Q6) Convert to a mixed number

5 2
2 1 2