Answer:
This is a complete lesson with instruction & exercises for 5th grade about multiplying decimals by decimals. The interpretation for multiplying a decimal by a decimal is to think of it as taking a fractional part of a decimal number (the symbol × translates to "of"). The lesson compares multiplication by a decimal to scaling & shrinking a stick. Lastly, it shows the common shortcut to decimal multiplication (multiply as if there were no decimal points; the answer has as many decimals as the factors have in total.)
In the video below, I explain the rule for multiplying decimals (put as many decimal digits in the answer as there are in the factors.) I explain where this rule comes from, using fraction multiplication. The lesson continues below the video.
A. sandwiches per hours is 4.5/hour
b. hours per sandwich is 0.33/sandwich
Answer:
Given the current information, all I can assume is that the ratio of inches to feet would make having a feet value of 750 give an inch value of 5.
Step-by-step explanation:
Answer:
AC^2=AD^2+CD^2= 3^2+3= 12
AC= 
Step-by-step explanation:
