Answer:
-28
Step-by-step explanation:
20x+12y-28=20x+12y+[?
subtract like term so 20x-20x and 12y-12y
therefore -28 =[?
3b because 15b and 12b can both be divided by 3b.
The answer is: " 1 " .
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Explanation:
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7⁶ * 7⁻⁶ = 7⁽⁶⁺⁽⁻⁶⁾⁾ = 7⁽⁶⁻⁶⁾ = 7⁰ = 1 . The answer is: "1" .
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Note the following properties of exponents:
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1) xᵃ * xᵇ = x⁽ᵃ⁺ᵇ⁾ ;
2) x⁰ = 1 ; (x ≠ 0) ;
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Answer:
I think its D but I'm not sure. I think you're right.
Step-by-step explanation:
