Using exponents, which expression is equivalent to a^8/a^2? 1) a^4
2) a^6
3) a^16
4) a^-4

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

If the discriminant if a quadratic equation is 4 which statement describes the roots?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years