smc-4228-20-Power zero

Indices, SMB-016

Simplify the expression `(12x)^0/4 xx (5x)/3`. (1 mark)

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`(5x)/12`

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`(12x)^0/4 xx (5x)/3`	`= 1/4 xx (5x)/3`
	`= (5x)/12`

Simplify the expression `(20m^0)/n xx n^2/(5m)`. (1 mark)

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`(4n)/m`

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`(20m^0)/n xx n^2/(5m)`	`= 20/n xx n^2/(5m)`
	`= (4n)/m`

Which of the following is `3x^0 + 5x` in its simplest form?

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`D`

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`3x^0 + 5x`	`= 3 xx 1 + 5x`
	`= 3 + 5x`

`=> D`