Question

5.
A plumber needs a piece of metal pipe which is 12.48 m in length. His supplier can only cut metal pipes to a length correct to 3 s.f.

a) The plumber asks for a piece of metal pipe to be cut to a length of 12.5m. Will this definitely be long enough? Justify your answer.

b) What is the shortest length the plumber can ask for that guarantees he has got a enough pipe? ​

Answer 1

Answer:

a . 3cm b . 9cm

Step-by-step explanation: