What is the value of 28 tens?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

What is the solution of log2  (3x  -  7)  =  3? 4 5