Never true because if the product is 10 and the two numbers are 5 & 2 if you add them it won't give you 10 it will give you 7 so therefore the answer is never true
7e -4= 2e +13
5e=17
E=17/5 or 3.4
The answer is 21 i really don't know
Linda has $900 more than Joe in her bank account