A few days ago
Find the GCF for 28, 70, and 126.?
Also I am having a hard timewith this !!!
Use the properties of addition and multiplication to complete the statement.
2 • (7 + 8) = 2 • ____ + 2 • 8
Top 4 Answers
A few days ago
Favorite Answer
7 you dummy
0
A few days ago
Look at all the common factors of the numbers to find the GCF.
28 = 2*2*7
70 = 2*5*7
126 = 2*7*3*3
What do they ALL have? Each number has a 2 and a 7. So the GCF = 2 * 7 = 14
……………………..
2 • (7 + 8) = 2 • ____ + 2 • 8
This is the distributive property.
7 goes in the blank.
0
A few days ago
To find common factor, divide by numbers which are divisible for all the number until you cannot go on anymore. Then multiply the factors that have been used.
28 | 70 | 126 — 2
14 | 35 | 63 — 7
2 | 5 | 9
GCF for 28, 70, 126 will be 2 * 7 = 14
2 • (7 + 8) = 2 • 7 + 2 • 8
0
5 years ago
I think 7 is the gcf because when you divide 14 into 147 it doesn’t come out evenly while 7 does.
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