The Great Pyramid of Giza

Geometry Level 3

The base length of the Pyramid of Giza is 230m 230\text{m} , the height is 147m 147\text{m} and the Pyramid is made of crude limestone which has a density of about 2300kgm3 2300\text{kgm}^{-3} . The Pyramid of Giza is a square pyramid. The mass of the pyramid may be written in scientific notation to three significant figures in the form abc×107kg \overline{abc} \times 10^{7} \text{kg} .

What is abc \overline{abc} ?

You can compare the mass you calculated with that of the mass listed in the Wikipedia page for the Great Pyramid of Giza. It is in the first paragraph of 'History and Description'.

Image credit: Nina Aldin Thune

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