Which one is 0.0000000214 in scientific notation?

1) 2.14 x 10^-8

2) 2.14 x 10^8

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !