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Pavlova-9 [17]
3 years ago
15

What is the value of the expression below when w=3? 10w2 +9w-2

Mathematics
2 answers:
Alex777 [14]3 years ago
5 0

Answer:

85

Step-by-step explanation:

10(3)2 + 9(3)-2

(30)2 + (27)-2

60+25=85

kipiarov [429]3 years ago
3 0

Answer:

85 if the "2" in 10w(2) is being multiplied.

But if not, then

115 if the "2" in 10w2 is an exponent.

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Answer:

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Step-by-step explanation:

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sp2606 [1]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Find the product.<br><br> (-5a ^2)^3·a ^5<br><br> A)-15a10<br> B)-125a11<br> C)15a6<br> D)-125a10
Ber [7]

Answer:

  B)  -125a^11

Step-by-step explanation:

(-5a^2)^3·a^5 = (-5)^3·a^6·a^5

  = (-5)^3·a^(2·3)·a^5

  = (-5)^3·a^6·a^5

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  = -125·a^11 . . . . matches choice B

_____

The applicable rules of exponents are ...

  (a^b)(a^c) = a^(b+c)

  (a^b)^c = a^(bc)

5 0
3 years ago
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