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3 years ago

13

Round 86 to the nearest 10

1 answer:

a_sh-v [17]3 years ago

3 0

Answer:

90

Step-by-step explanation:

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A professor wants to award prizes for 1st, 2nd, 3rd, 4th and 5th in the class of 30. In how many ways can the prizes be awarded

aniked [119]

Answer:

$Selection = 17100720\ ways$

Step-by-step explanation:

Given

$Students = 30$

$Positions = 5$ i.e. first to fifth

Required

Determine number of selection

1st position = Any of the 30 students

2nd position = Any of the 29 students

3rd position = Any of the 28 students

4th position = Any of the 27 students

5th position = Any of the 26 students

Number of selection is then calculated as:

$Selection = 30 * 29 * 28 * 27 * 26$

$Selection = 17100720\ ways$

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Step-by-step explanation:

5280/24 = circumference = 220 m

220 /Pi = diameter = 70.06 m

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