Question

Find the value of (-10m²n⁶)×(-20mn¹⁵) for m=1.2 and n=-1 option is -345.60 and 5678.90 answer is -345.60 but why give me the reason

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Answer 1

345.6

$( - 10 {m}^{2} {n}^{6} )( - 20m {n}^{15} ) = 200( {m}^{3} {n}^{21} ) \\ = 200( {1.2)}^{3} {1}^{21} \\ = 200 \times 1.728 \\ = 345.6$

Answer 2

Answer:

Correct answer is 345.6

Step-by-step explanation:

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