Answer:
I think it is the last one
I'd go with the subtraction property of equality:
a = b + c precisely when a - b = c
The answer to this problem is 16/15
$o u solve this by turning 5/8 into 8/5 then turn 6/9 into 2/3 , Then u multiply 2/3 and 8/5 and you get the answer 16/15.
The original equation log 0.0001 = -4 assumes the base of the logarithm is 10, so the exponential form is 10^ -4 = 0.0001
19.884 miles, because 1km=0.621 mile
