Answers edited by Abdul Sammad

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• How does blood become oxygenated blood in the body?
  
• How do you simplify #2(6.1times10^-8)# in scientific notation?
  
• How do you factor the expression #64x^2 + 81#?
  
• Question #2cd63
  
• How do you write #1.4 times10 ^ -3# in standard notation?
  
• One mole of chlorine gas is equal to how many grams?
  
• What is atomic number of oxygen?
  
• If you used 30.6 g of methanol #CH_3OH# to start a fire, how many molecules did you use?
  
• Question #85744