smc-4209-65-Order of Operations

Integers, SM_Bank 055

Evaluate `(-2)^3-(-2)^2`. (2 marks)

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`-12`

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`(-2)^3-(-2)^2`	`=(-2xx-2xx-2)-(-2xx-2)`
	`=-8-4`
	`=-12`

Integers, SM_Bank 073

What is the value of the expression `[(4-12)xx(-3- -7)]/4`? (2 marks)

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`-8`

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`[(4-12)xx(-3- -7)]/4`	`=[-8xx4]/4`
	`=(-32)/4`
	`=-8`

Integers, SM-Bank 079

What is the value of `-20÷[-2xx4-3xx-6]` ? (1 mark)

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`-2`

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`-20÷[-2xx4-3xx-6]`	`=-20÷[-8- -18]`
	`=-20÷[-8+18]`
	`=-20÷10`
	`=-2`

Integers, SM-Bank 078

What is the value of `(-10)^4` ? (1 mark)

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`10\ 000`

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`(-10)^4`	`=-10xx-10xx-10xx-10`
	`=100xx100`
	`=10\ 000`

Integers, SM-Bank 077

What is the value of `(-4)^3` ? (1 mark)

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`-64`

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`(-4)^3`	`=-4xx-4xx-4`
	`=16xx-4`
	`=-64`

Integers, SM-Bank 076

What is the value of the expression `7xx-8 ÷ -2`? (2 marks)

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`28`

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`7xx-8 ÷ -2`	`=(-56)/(-2)`
	`=28`

Integers, SM-Bank 075

What is the value of the expression `-4-3xx(-2)`? (1 mark)

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`2`

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`-4-3xx(-2)`	`=-4- -6`
	`=-4+6`
	`=2`

Integers, SM-Bank 074 MC

What is the value of the expression `-3xx5-2xx(-3)`?

`-6`
`27`
`-9`
`6`

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`C`

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`-3xx5-2xx(-3)`	`=-15-(-6)`
	`=-15+6`
	`=-9`

`=> C`

Integers, SM Bank 072 MC

What is the value of the expression `-2+4xx3`?

`-6`
`-18`
`10`
`6`

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`C`

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`-2+4×3`	`=-2+12`
	`=10`

`=> C`