math 5 grade
posted by zahra .
longest multiplication combination for 210

math 5 grade 
PsyDAG
This is the same as finding the prime factors of 210.
2 * 5 * 3 * 7 = 210
http://www.google.com/search?client=safari&rls=en&q=prime+factors+math&ie=UTF8&oe=UTF8 
math 5 grade 
farhan
how did the multiplcatilon combinationos you wrot for 12,18 and 21 help you find some combinonos for 120,180,and 210 give examples.

math 5 grade 
megan
which x = 300
a 2x30 x6
b 10x6x20
c15x2x10
d 2x3x15 
math 5 grade 
johanna
the answer is a because 6 times 2 eaquals 12 and you times thirty and twelve together and that's how you get 300 the easy way and how you could check if you are correct you could divide three hundred by 12 and you would get your answer. another way you could do it is dividing 300 by 30 ad getting 12 as your answer.

math 5 grade 
Erica
Idk just wanted to post

math 5 grade 
Anonymous
6 times 2 equals 12

math 5 grade 
hom
210

math 5 grade 
Jorge
Write the longest multiplication combination you found for each of these numbers

math 5 grade 
Odelys
I need help

math 5 grade 
Anonymous
21o
3×70
3×2×35
3×2×5×7
ALL need to be prime
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