anonymous
  • anonymous
plz help me i really need this credit. thanx in advance:) Find the missing term. 7^-147 × 7^98 = 7^18 × 7^-38 ×????
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
welshfella
  • welshfella
add the exponents on left side we have - 147 + 98 = -49 7^-49 now the right side should also be 7 ^-49 the exponents should add up to -49
anonymous
  • anonymous
Sorry im not quite sure what to do with the -49 but the answer choices are: A. 7^(-20) B. 7^22 C. 7^(-29) D. 7^58
anonymous
  • anonymous
I think the answer is 7^(-20)

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More answers

anonymous
  • anonymous
thank you welshfella i get it now
welshfella
  • welshfella
18 + -38 + x = -49 find x and you have the answer
welshfella
  • welshfella
x = -49 - 18 + 38 = ?
welshfella
  • welshfella
its not -20
anonymous
  • anonymous
I know im goiing to try to solve the equation and see what i get
welshfella
  • welshfella
ok
anonymous
  • anonymous
so its -29 then?
welshfella
  • welshfella
yep
welshfella
  • welshfella
recall when you multiply expeontial terms you ADD the exponents eg 5^2 * 5^3 = 5^5
welshfella
  • welshfella
answer is 7^-29
anonymous
  • anonymous
yes i'll remember that. thank you so much
welshfella
  • welshfella
yw

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