I believe its 130 points... im sorry if its wrong
Answer:
Front end estimation is a way of rounding numbers to estimate sums and differences.
Step-by-step explanation:
also if you don't mind giving me brainliest i'm just trying to rank up. only if u dont mind.
Answer:
2
Step-by-step explanation:
1 unit by 2 unit means area.
So, know that in area you multiply length times width, you multiply 2 and 1.
·
Which is 2
1 sum
because of the commutative property of addition
a+b=b+a
we can furthuer expand it
a+b+c=a+c+b=b+a+c=b+c+a=c+b+a=c+a+b
same sum
you can test it with numbers
