Question

if m=4 n=3 find the value of
1) 9m2 -10m3
2) 2m2 + 3n2- 5mn2

2) value of (-1)-1

3)standard form of0.00001275

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Answer 1

Answer:

1) -496

2) -121

2)1

3)1275/100000000

Answer 2

Answer:

1)9(4)3-10(4)3

=72 - 120

= -48

2)2(4)2+3(3)2-5(4)(3)2

= 16 + 18 - 120

= -86

2) 1

3)1.275×10^-5

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