Question

5^x=81.2

Answer 1

take log on both sides

Answer 2

Really??

Answer 3

ok so log(5)=log(81.2)

Answer 4

*Something is missing I think..

Answer 5

log 5^x=log 81.2

Answer 6

now apply log a^b=b log a :)

Answer 7

how do you put this into a calculator?

Answer 8

before you put this into a calculator make sure you separate the x variable in Left hand side

Answer 9

ok so i should have x=log81.2/log 5?

Answer 10

yep :)

Answer 11

ok so then what do i do? im no good at math do i just put it into the calculator like that?

Answer 12

yep

Answer 13

so i should have 2.73195? right and just round it to the nearest thousandth

Answer 14

yep :)

Answer 15

ok so the answer is wait which place is the thousandth after decimal i forgot

Answer 16

I would report it as 2.732

Answer 17

ok thank you

Answer 18

yw