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motikmotik
3 years ago
12

If 11 runners are participating in a race, how many different ways can there be first and second place runners?

Mathematics
1 answer:
MrRa [10]3 years ago
6 0
Only <span>first and second place runners:
</span>11*10=110 ways

Hope that helped.
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21-2(10-3squared)+4=
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A family spends 1/3 of its income for the mortgage and 1/6 of its income for food. What proportion of its income remains?
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Answer: 1/2

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3 years ago
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10 | a₁  a₂  a₃  a₄  a₅  a₆  a₇  a₈  a₉             ( the first row has 9  coefficients)

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8 0
3 years ago
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Novosadov [1.4K]

Answer:

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9.6x10^85/3x10^63

= (9.8/3) * (10^85/10^63)

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= (9.8/3) *10^22

= 3.27 *10^22

<em>Hence the expression in scientific notation is  3.27*10^22</em>

6 0
2 years ago
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