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il63 [147K]
3 years ago
10

Write the expression without using exponents (-2y)^4

Mathematics
2 answers:
JulsSmile [24]3 years ago
5 0

Answer:

16yyyy

Step-by-step explanation:

Getting rid of exponents:

  • (-2y)^4 =
  • (-2)^4*y^4 =
  • 16yyyy
Anna [14]3 years ago
5 0

Step-by-step explanation:

(-2y)^4

= (-2) ^4 ( y) ^4

= (16) (yyyy)

= 16yyyy

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3 years ago
The sum of three numbers is 8.5. The second is 7 more than the first. The third is 2 more than 4 times the second. Find the numb
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Let the first number be x
first number = x
<span>
Second is 7 more than the first
</span>second number = x + 7
<span>
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</span>third number = 4(x+7)+ 2  = 4x + 28 + 2 = 4x + 30

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