Why can we subtract exponents when we are dividing two things with the same base?

Is 109 divided by 5 equal 21 R2

What is true of the type of angle in this lesson?

The prize is a camera worth $200. Each raffle ticket costs $5. One hundred tickets are sold and a winner is drawn at random. Find the expected value of the purchase of a ticket

There are 18 students in me. alvarezs art class. Throughout the year every student must pair up with every other student to complete a project. How many projects will be finished?

Determine whether the lines 12x+3y=3 and y = 4x + 1 are parallel, intersect, or coincide

The average speed of an object (in feet per second) is determined by the equation S=4√d, where d is the distance in feet the object is dropped.

What is the expanded form of this number? 509.307

Danielle can type 600 words in 30 minutes. How many words can she type per minute?

Midge walked 3/4 mile Monday and 1/4 mile on Tuesday. let x = how much farther she walked on Monday.

Last week at the lake it was 23 °C. Yesterday it was 13 degrees warmer. What was the temperature yesterday?