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  • Hey I got your text, what do you need help on
  • The math homework, i dont understand it
  • A boy band released 2 new albums, their first album sold 5.9x105  copies. Their second album sold 1.3x106   copies, so how many copies did they sell
  • Well what question is it
  • Oh thats easy all you have to do is change the exponent #to make them both match
  • Ok so now it would be 13x105    + 5.9x105 because after you change the exponent you have to move the decimal
  • Ya then add all decimal #s so it would be 13+5.9
  • but then how does it get the exponent
  • Well you make put the 13+5.9 in parentheses and multiply them both by 105 
  • So then after you add those you get 18.9, then mulitpl them by 105
  • no you cant multiply a number with an exponent to a normal number so you would leave it as an exuation so it would be 18.85 but since me moved the decimal we will have to move it again so it will be 1.89x106
  • OHHH that makes more sence, thank you so much
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