You would have to put 21.3 on top and 1.9 under it. then you would have to borrow the number. the answer would be 19.4
Welp, looking at the number: 66
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The second digit "6" is up to or more than 5.
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So, we can clearly round it up.
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In this case, we are rounding to the nearest hundredth.
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Hm, 100 is pretty close to 66.
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We can now say that the nearest hundredth is 100.
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BAM! *drops mic*
Answer:
8+15+32+45= 100 minutes, or an hour and 40 minutes
There are 41.646600000013 grams of barium chloride in 0.200 moles
Y = kx - 8. The variable k can be any negative value.