Question

(-10m²n⁶)×(-20mn¹⁵) for m=1.2 and n=-1

Answer 1

Answer:

345.6

Step-by-step explanation:

-10 × (-20) m³n²¹

200m³n²¹

200 × (1.2)³ × (-1)²¹

[ Using, m = 1.2, n = -1 ]

-200 × 1.728 × (-1)

[ As, (-1)^ odd power = -1 , example (-1)⁵ = -1 ]

= 200 × 1.728

= 345.6

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