[計量] 不懂怎麼算
1. what is the least integer value of n such that 1/2n<0.01?
(2n是2的n次方)
答案是7,可是如果是2的7次方,不就超過100了。
2.How many positive integers are both multiples of 4 and divisors of 64?
答案是5個 請問是4 8 16 32 64這五個嗎?
3.The area of a circular region having a radius of 1/4meter is x square meters.
答案是1/4>X 請問題目的意思和解法?
4.on a turntable, a record of radius 6 inches is rotating at the rate of 45
revolutions per minute.
答案 The number of inches traveled per minute by a point on the circumference
of the record
大於
The number of inches traveled per minute by a point on the record 5
inches from the center of record
請問題目意思和解法?
先謝謝解題的人,大大感謝。
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