Calvin uses a one dollar bill to pay for a pair that cost $.52 how much change should Calvin get back

Identify one charcteristic of exponential growth

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.

What is 140 squared pleas me i am dumb