(-10m^2n^6)×(-20mn^15) for m=1.2 and n=-1
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Step-by-step explanation:
(-10m^2n^6)×(-20mn^15)
= [(-10 × 1.2)^(2 × -1)^6]×[(-20 × 1.2 × -1)^15]
= (-12^-2^6)×(24^15)
= (-12^-12) × (24^15)
= (1/-12)¹² × 24¹⁵
= (-1/12)¹² × (24/1)¹⁵
= (-1/1)¹² × (2/1)¹⁵
= -1¹² × 2¹⁵
= 1 × 33368
= 33368
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