If log7 m = –2, then the value of m, correct to the nearest hundredth, is?

Science & Mathematics by Anonymous 2018-06-01 11:03:11

Social Science

5 answers

Anonymous

log(7)m=-2 => m=7^(-2) => m=1/7^2 => m=0.02 approximately.
Anonymous

guessing that is log base 7 (and you should so state) log₇m = –2 7^(log₇m) = 7^(–2) m = 1/49
Anonymous

guessing that is log base 7 (and you should so state) log₇m = –2 7^(log₇m) = 7^(–2) m = 1/49
Anonymous

7 ^ -2 = 1/7^2 = 1/49 = 0.02.
Anonymous

7^(-2) = 1/49 =~ 0.02