hassan13 hassan13
  • 24-09-2017
  • Chemistry
contestada

How many significant figures should the answer to: 1.00246+0.2400 contain

Respuesta :

dameny
dameny dameny
  • 24-09-2017
The final answer should contain atleast 3 significant figures. 

I.E: 1.00246 + 0.2400 = 1.24246

We'll keep it to 3 significant figures: 1.24
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victoria94
victoria94 victoria94
  • 24-09-2017
Seeing as though 0.2400 has 4 sig figs and 1.00246 has 6... you go with the smallest amount of sig figs (4). Once you add it all up the answer is 1.2425 but that has 5 sig figs. So we need to round. The answer would then be 1.243
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