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On a scale that measures the intensity of a certain phenomenon, a reading of n+1 corresponds to an intensity that is 10 times the intensity corresponding to a reading of n. On that scale, the intensity corresponding to a reading of 8 is how many times as great as the intensity corresponding to a reading of 3? a) 5 b) 50 c)10的5次方 d)5的10次方 e)8的10次方减去3的10次方
这道题我又没看懂,悲剧了。。。。请教下大家怎么做 |
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