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guajiro [1.7K]
3 years ago
12

What is 392 rounded to nearest ten

Mathematics
2 answers:
NikAS [45]3 years ago
7 0
Because the ones place is under 5, we round down, and 392 becomes 390 when rounded to the nearest 10
strojnjashka [21]3 years ago
4 0
Since your ones place is less than five when you round to the nearst tenth then your answer would be 390
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Samuel can type nearly 40 words per minute. Use this information to find the number of hours it would take him to type 3.2 × 105
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<h3>How many hours would it take to type 3.2 x 10^5 words?</h3>

Standard form is used in expressing large numbers in smaller numbers. It is used to transform large numbers into smaller number.

In order to write a number in standard form, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10.

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The first step is to determine how many words he can type in 1 hour : 40 x 60 = 2400 words = 2.4 x 10³

The second step is to divide 3.2 x 10^5 words by 2.4 x 10³

3.2 x 10^5 ÷ 2.4 x 10³ = 1.33 x 10^(5 - 3)

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To learn more about standard form, please check: brainly.com/question/25334755

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