anonymous
  • anonymous
HELP!!!!!!!!!!!!!!! Simplify 4^21 ---- 4^7 1. 4^28 2. 4^21 3. 4^7 4. 4^3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@gaby6
anonymous
  • anonymous
@sue101
anonymous
  • anonymous
@sunlab2015 @surdawi @MicroBot @MATHGEOMETRY8 @Hollywood_chrissy

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More answers

anonymous
  • anonymous
Always remember that : \(\frac{a^b}{a^c} = a^{b-c} \)
anonymous
  • anonymous
Hence, \[\large{\frac{4^{21}}{4^7} = 4^{21-7} = 4^{14}}\]
anonymous
  • anonymous
Which operation would you use on the exponents to simplify the expression 57 × 511? Addition Subtraction Multiplication Division
anonymous
  • anonymous
Which operation would you use on the exponents to simplify the expression 5^7 × 5^11? Addition Subtraction Multiplication Division
anonymous
  • anonymous
Addition.........
anonymous
  • anonymous
Simplify 15^4 ---- 15^5
anonymous
  • anonymous
@Miyuru
anonymous
  • anonymous
@SheldonEinstein
anonymous
  • anonymous
Do subtraction.. :)
anonymous
  • anonymous
Simplify 15^4 ---- 15^5
anonymous
  • anonymous
wouldnt it be 15^-9??? not a answer
anonymous
  • anonymous
its 15^-4 and 15^5
anonymous
  • anonymous
Do subtraction like this....\[\frac{15^4}{15^5}=15^{4-5}=15^{-1}\]
anonymous
  • anonymous
This answer is for the one you typed before..
anonymous
  • anonymous
Addition
radar
  • radar
\[15^{(4-5)}\]
anonymous
  • anonymous
\[\frac{15^{-4}}{15^5}=15^{-4-5}=15^{-9}\]

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