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:
a₉ = 11
Step-by-step explanation:
Substitute n = 9 into the nth term formula, that is
a₉ = 3(9) - 16 = 27 - 16 = 11
Answer:
I would find it by multiplying -3x-2 and getting six. Then I would multiply -1x2 and get -2 then I would add six and -2 and get 4.
Step-by-step explanation:
It would take her 10 hours. If it is double the time for one person to complete the task versus two, you can guess that the other person takes the same amount of time