PLS HELP ILL GIVE BRAINLY

Mathematics

2 answers:

Cerrena [4.2K]3 years ago

8 0

Answer:

Zeros to the right of the decimal place that are NOT merely place holders are significant; these significant zeros will be to the right of non-zero significant digits. The zero to the left of the decimal place in 20.00cm is also significant since it now falls between significant digits.

Hope this helps, have a nice day/night! :D

Aneli [31]3 years ago

5 0

Answer:

thanks for points......

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2 years ago

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PIT_PIT [208]

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3 years ago

Answer step by step

enot [183]

Consider, please, this solution/explanation:
1. suppose, that number of cars is 'x', numbers of buses is 'y'.
2. according to the condition 'a total of 32', it means that x+y=32. This is the 1st equation.
3. according to the condition in one car are 3x persons, in one bus are 27y persons, and totaly 3x+27y=408 people. This is the 2d equation.
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$\left \{ {{x+y=32} \atop {3x+27y=408}} \right. \ =\ \textgreater \ \ \left \{ {{x=19 (cars)} \atop {y=13(buses)}} \right.$

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