Week 36: Unit 3(1)

An athlete's time for a race was 43.78 seconds. Write this time correct to one decimal place

• 43.7

• 43.8

• 44

• 43

An athlete's times for a race was 43.78 seconds. Write this time correct to one significant figure.

• 43.8

• 44

• 40

• 43

Arrange from the largest:

40 , 43.78 , 48

(a)  

Work out $\sqrt{7.1^3+2.9^3}$  , giving your full calculator display answer

(a)  

Work out $\sqrt{7.1^3+2.9^3}$  , giving your answer correct to 2 decimal places

(a)  

Write in order of size, smallest first

 $0.68,\ \frac{33}{50},\ \ 67\%$  

•  $0.68,\ \frac{33}{50},\ 67\%$  

•  $\frac{33}{50},\ 67\%\ ,\ 0.68$  

•  $0.68,\ 67\%,\ \frac{33}{50}$  

Convert 0.68 into a fraction in its lowest terms.

• $\frac{68}{100}$

• $\frac{34}{50}$

• $\frac{17}{25}$

The length of a road is 1300 metres, correct to the nearest 100 metres. Complete the statement in the answer space.  $......\le\ l\ <\ .........$  

•  $1250\ m\ \le l<1350\ m$  

•  $1200\ m\ \le\ l\ <1300\ m$  

•  $1200\ m\ \le\ l\ <\ 1400\ m$  

Convert 28% as a decimal

• 28.0

• 2.8

• 0.28

Convert $\frac{275}{1000}$ into decimal 

• 2.75

• 0.275

• 27.5