Math
posted by TJ on .
what is the total width of 21 math books that are .78 centimeters thick

Your question doesn't make any sense. Please clarify.

you do 78*21...are your final units in cm?
posted by TJ on .
what is the total width of 21 math books that are .78 centimeters thick
Your question doesn't make any sense. Please clarify.
you do 78*21...are your final units in cm?