Question

A fence is made from 32 identical pieces of wood, each of length 2 metres correct to nearest centimetre.
Calculate the lower bound for the total length of wood used to make this fence.
Write your answer in full calculator display.​

Answer 1

200cm which has been rounded up to to the nearest cm meaning it could be 199.5cm. Then times it by 32.

199.5 x 32 = 6384cm

Answer 2

The length of a fence is required in centimeters.

The total length of wood used to make the fence is $6400\ \text{cm}$.

The number of pieces of wood for making the fence is 32.

The length of each piece of wood is 2 meters.

Converting meters to centimeters

$1\ \text{m}=100\ \text{cm}$

$2\ \text{m}=2\times100=200\ \text{cm}$

The entire length will be

$32\times 200=6400\ \text{cm}$

So, the total length of wood used to make the fence is $6400\ \text{cm}$.

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