A human heart beats an average of 80 beats per minute. How many beats is this in an hour?express your answer in scientific notations

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Which statement best explains why ben uses the width hi to create the arc at j from point k