2 years ago

Round the number to the place value of the BIG number. 68,974,512 and 8 is the big number?

Mathematics

1 answer:

postnew [5]2 years ago

4 0

Answer:

69,000,000

Step-by-step explanation:

The digit to the right of 8 is more than 4, so the 8 needs to be increased by 1 before all of the digits to its right are set to zero.

68,974,512 rounds to 69,000,000

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Answer:

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Explanation:

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Thus, since Tobias initially sent the chain letter to 37 friends, the number of letters will grow as per this geometric series:

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In 2 × 9.1 weeks: 37 × (4)²

In 3 × 9.1 weeks: 37 × (4)³

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$P(t)=37\times (4)^{(t/9.1)}$

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