I may not be correct but ok pretty sure it’s 56
The answer is 48 because you have to multiply 4 to the other side, so 12 and you will get m= 48.
7.6*10^3+2.3*10^5=7600+230000= 237600.
There are 237600 people living in Brooklyn and Staten Island.
No, since it a repeating(terminating) decimal, so it is not a rational number.