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Numeracy Intermediate November 2021 Unit 1 Q6

WJECIntermediateCurrent spec8 marksStandard FormUnits & TimeVolume & Surface Area

6. The skeleton of a dinosaur was found in Wyoming, USA, in 2008.
This skeleton is now on display in a shopping mall in Dubai.

Here are some facts about this skeleton.

  • It was transported 7500 miles from Wyoming to Dubai.
  • It is over 155 million years old.
  • It is 80 feet long and 25 feet tall.
(a) How far was the skeleton transported?
Give your answer in kilometres. [2]

………………… km

(b)
Remember:
   1 foot (ft) ≈ 30 cm

Calculate how long and how tall the skeleton is in metres. [4]

The skeleton is ………………… m long and ………………… m tall

(c) Assume:
  • the skeleton had been transported complete in one crate,
  • the crate was in the shape of a cuboid.

Which of the following would be the best estimate of the volume of the crate?
Circle your answer. [1]

20 000 ft3     20 000 ft2     2000 ft2     200 000 ft3     2000 ft3

(d) Which of the following is 155 million written in standard form?
Circle your answer. [1]

\(15{\cdot}5 \times 10^{7}\)     \(1{\cdot}55 \times 10^{4}\)     \(1{\cdot}55 \times 10^{6}\)     \(155 \times 10^{6}\)     \(1{\cdot}55 \times 10^{8}\)