A stack of 400 index cards is 2.16 inches tall. Andre guesses that each index card is 0.025 inches think. Is Andre correct? Compute the thickness of each card.

Respuesta :

Answer:

Andre is not correct; each card is .0054 inches thick

Step-by-step explanation:

Since the stack is 2.16 inches and there's 400 cards, divide 2.16 by 400 to get .0054 inches per card