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Numeracy Higher November 2021 Unit 1 Q1

WJECHigherCurrent spec2 marksStandard FormVolume & Surface Area

1. 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 (ft) long and 25 feet tall.
(a)

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

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

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

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