Which expressions are equivalent to the expression -6x+8?
1 answer:
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The decimal adds a zero every time the powers of ten increase for example if u do 1 x 
=100 if u do 1x
=1,000
The answer is A, 
. This is because when plugging in -2 for x, the expression will look like this: 
. To make the exponent positive, you have to flip it into a fraction. Then it will be 
. Lastly, you simplify the denominator into 81.