That probably means that you are supposed to add them.
Multiply the number x times.
To multiply the original number by 16.
a number increase from 500 to 625 find the percentage increase
A factor is a number or quantity that when multiplied with another produces a given number or expression.
It mean like Commutative Property of Addition
Increase means to add (assuming the number you "increase" is positive of course).
Well, darling, "increase by 10" simply means to add 10 to a given value. So if you have a number, let's say 5, and you increase it by 10, you end up with 15. It's basic math, sugar, nothing to lose sleep over.
a number gose up
There are several meanings: one being when a gardener increases plant stock by propagation. Another is the increase in population. Propagation means to multiply, increase in number. A gardener make take cuttings of certain plants and propagate the cuttings, to increase the number of plants that can be planted out the following year.
That probably means that you are supposed to add them.
Adding another state to the union would make the number of senators increase. Puerto Rico is a potential state.
You normally multiply a number by another number
Only if the new number was larger than the old mean.
That means that, that number is composite
Multiply the number x times.
To multiply the original number by 16.