Answer:
log₁₀ (10¹²)
Step-by-step explanation:
First you should find the solution to the given equation
x-4=2³
x-4=8
x=8+4=12
Now observe the behavior of logarithmic equations with the base 10
log₁₀ 100=2
log₁₀ 10000=4
log₁₀ 1000000=6
To get the answer to
log₁₀ y=12
Then y=10¹².........................how?
check for the first case
log₁₀ 100=2 this can be written as
10²=100
This means to get y in log₁₀y=12 you should rise the base to power 12
y=10¹²
This is to say that
log₁₀ (10¹²) = 12
Ok so say you have I don't 266÷12 so you would round 266 to 700 hundred and 12 to ten and you would divided 700 by 12
Hope this helped :-)
Use constant of variation y =kx i.e
15 gallons k=>17.55
k gallons =17.55/15=1.17
18 gallons k=>21.06
k gallons =21.06/18=1.17
Therefore ans => y=1.17x
