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Mathematics, 01.07.2021 17:10 edfrank6278

49 (3 ma
9th
с
Iris coats the outside of each sphere with gold paint.
The paint costs £3.35 per cm?
Show that the cost of the paint that Iris uses is £4640, correct to three
significant figures.
The formula for the surface area of a sphere is A = 4tr2

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49 (3 ma
9th
с
Iris coats the outside of each sphere with gold paint.
The p...

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