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Express the following up to three signif...

Express the following up to three significant places: (a) the height of a man, 5 feet 9 inches in centimetres (1 inch = 2.54 cm) (b) one millionth of one. (c) four thousand (d) decimal equivalent of `2//3`

Text Solution

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(a) 5 ft 9 inches = 69 inch = `69 xx 2.54 = 175.26 cm`. With three significant figures answer is 175 cm.
(b) One millionth of one is `10^(6)` . It can be written with 106 3 significant figures as `1.00 xx 10^(-8)`.
(c) four thousand = `4.00 xx 10^3`
(d) -f = 0.667.
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