8pq×5qr^2
8pq×5qr^2
Subject
Topic
Level
Middle School
Grade
9

Answer

1) 40pq^2r^2

2)(-) 7mn^2p

Steps

(8X5)X(p)X(qXq)X(r^2)

40XpXq^2Xr^2

40pq^2r^2

(Using formulae of indices)

a^m X a^n equals (a)^m plus n.

Similarly

7X(m)X(nX -n)X(p)

7X(m)X(-n^2)X(p)

7m(-n^2)p

-7mn^2p

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