Answer:
8,146 x 121
Step-by-step explanation:
This is a problem in which you need to measure your understading of "orders of magnitude."
If the estimated answer is 
that means that we are looking at a multiplication in the "order of" 
You need to look at the "orders of magnitude" of the things you're multiplying. In the first case, we have 
that would be "of the order of" 
times 
. So the whole multiplication would "of the order of" 
or near 
The correct answer, 8,146 x 121, is because it's "of the order of" times 
and the gives us the we need.
Answer:
For packages of 8 =
Each package of Buns contain 8 pieces.
Therefore 100 barbecue will be contained in 100/8 = 12.5 packages
For packages of 12 =
Each package of Buns contain 12 pieces.
Therefore 100 barbecue will be contained in 100/12 = 8.3 packages
Answer:
17.5
Step-by-step explanation:
|-10.5| + 7 = their combined distance
=17.5
