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schepotkina [342]

3 years ago

14

What fraction of all the 10-digit numbers with distinct digits have the property that the sum of every pair of neighboring digit

s is odd?

1 answer:

BartSMP [9]3 years ago

7 0

Answer:

1/126

Step-by-step explanation:

Answer attached, I hope this is the answer.

the sum of every pair of neighboring digits is odd must be odd number and even number in the neighbor. (different parity)

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Evaluate 4k2 + 3 when k = 5

lyudmila [28]

Answer:

103

Step-by-step explanation:

Evaluate 4k2 + 3

To evaluate 4k² + 3, when k = 5, which means when you sees k, put 5 in replacement

4k² + 3 = 4(5)² + 3

4(5×5) + 3

4(25) + 3

open the bracket

4 × 25 = 100

∴ 100 + 3 = 103

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sveticcg [70]

Answer:

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Step-by-step explanation:

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docker41 [41]

Answer:

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Step-by-step explanation:

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