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
宵usout.qeoung opt st oqu
卜卜卜)- 1110811 INNIli u
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