Mr. Garcia is spreading mulch in his yard he spreads 3 square yards and 40 minutes how many square yards can he mulch in 1 hour

This law is sometimes called the grouping property. as you can see, regardless of how the numbers are grouped, the answer is still 13. the associative law of multiplication is similar to the same law for addition. it says that no matter how you group numbers you are multiplying together, you will get the same answer.

Can you take a picture of shape 1 and shape 2 so i can awnser

0.61 has 2 decimal places, so we put the decimal digits of 0.61, 61 over 1 followed by the number of zeroes equal to the number of decimal places, 

2:     61/1 = 61/100.

0.61 as  decimal fraction  = 61/100