anonymous
  • anonymous
Which is equal to 5^4 • 5^8? A. 5^12 B. 5^4 C. 5^2 D. 5^−4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Nnesha
  • Nnesha
when we multiply same bases we should add their exponents \[\huge\rm x^m \times x^n = x^{m+n}\]
anonymous
  • anonymous
help no straight answer plz
anonymous
  • anonymous
ok

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Nnesha
  • Nnesha
don't worry :-)
Nnesha
  • Nnesha
so 5^4 times 5^8 = ???
anonymous
  • anonymous
244140625
anonymous
  • anonymous
???
Nnesha
  • Nnesha
...nope we don't need calculator... just add exponents exponent rule! \[\huge\rm \color{green}{x}^\color{red}{m} \times \color{green}{x}^\color{blue}{n} = \color{green}{x}^{\color{red}{m}+\color{blue}{n}}\]
anonymous
  • anonymous
oh ok so its a right???
Anikate
  • Anikate
its easier than you think lol
Nnesha
  • Nnesha
yep that's right \[\huge\rm \color{green}{5}^\color{red}{4} \times \color{green}{5}^\color{blue}{8} = \color{green}{5}^{\color{red}{4}+\color{blue}{8}}\]
anonymous
  • anonymous
wow thanks you helped me
Nnesha
  • Nnesha
np :-)
anonymous
  • anonymous
d:P

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