When writing a number in scientific notation, if you move the decimal point to the left 3 places, then you must

The measure of an angle is 117°. what is the measure of a supplementary angle?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

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