Students are painting a mural. So far, the mural is painted 1/4 blue, 2/8 red, and 3/12 green. Use fraction strips to determine
how much of the mural has been painted. Tell the fractions you use to solve
1 answer:
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we know that
A quick way to estimate the sum of two numbers is to round each number and then add the rounded numbers
case a) We round the number to the nearest hundred
so
Round up is equal to
Round up is equal to
Find the estimate sum
case b) We round the number to the nearest tens
so
Round up is equal to
Round down is equal to
Find the estimate sum
Answer:
1) 1023
2) 8
Step-by-step explanation:
1)
Given:
and
Then, the next table can be computed (only the first terms are explicitely shown)
n
1 1
2 3
3 7
4 15
5 31
6 63
7 127
8 255
9 511
10 1023
2)
Given
Then, the next table can be computed
n
1 -1
2 0
3 3
4 8