It could be 12 or 72 depends on how your doing your math
Using partial products is rounding numbers to get an estimate. using regrouping is multiplying numbers to find an exact product. they are similar because in both strategies you multiply 2 find a product.
Hopefully this helps!!
Answer:
x = 3.6
Step-by-step explanation:
1 (4) = 4
0.9 (4) = 3.6
x = 3.6
There is a sequence... adding 0.9 to each side (at different lengths).
Answer:

Step-by-step explanation:

1: 9 1/3
2: 12 1/2
3: 14 3/4
Step-by-step explanation:
A=BH
H=A/B
B=A/H
B = Base
H = Height
A = Area
Hope this help!