Question

Use properties of logarithms to find the exact value of the expression 2logs5+log8-log2.

Answer 1

log5(5) =1 and log(2)=1
log8 = log2^3 =3

after this hope that you can do it

Answer 2

yea my key says that the answer is 2?

Answer 3

why 2

Answer 4

???

Answer 5

ummm i have no idea..... i double checked the key but it says the answer was 2.

a.-2
b.-1
c. 0
d. 1
e. 3
f. 2

it says the answer if F

Answer 6

the first term is 2 ,the second is 3 and the 4th is 1
so hence you get 2+3-1 =4

Answer 7

if the right 2 - so this you can get it if you log-ing the 4 because log(4) = 2log2 = 2

Answer 8

hmm...so your saying because of log of 4...its 2?