How do you multiply #2m ^ { - 1} \cdot 5m ^ { - 1} \cdot 7m ^ { - 1}#?

1 Answer
EZ as pi
Jan 27, 2017

# 70/m^3#

Explanation:

To Multiply in Algebra does not like terms, you can multiply anything.

Multiply the signs (in this case they are all positive)
Multiply the numbers (numerical coefficients)
Add the indices of like bases

#2m^-1 xx 5m^-1 xx 7m^-1#

#=70 xx m^-3#

We usually answer with positive indices.

#70m^-3 = 70/m^3#

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