tolong dijawab ka no7 sampai 8

7. alog b . blog c . clog d . dlog e = alog e
= ²log 8 = 3 (E)

8. log 45 = log 3 + log 3 + log 5
= 0,4771 + 0,4771 + 0,699
= 1,653 (E)