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Charra [1.4K]
4 years ago
9

I need help with this problem

Mathematics
1 answer:
Bezzdna [24]4 years ago
5 0
2 wks = 38 cm SO
1 wk= 19 cm
19 cm a week
19 x 3 = 57
1/2 wk = 8 cm
57 + 8 = 65 cm in 3 1/2 weeks
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What is the total number of digits required in numbering the pages of a book, which has 1,724 pages?
Vikentia [17]

The total number of digits required in numbering the pages of a book, which has 1,724 pages are 5,789.

Step-by-step explanation:

The total pages = 1,724

Now, to find the total digits, lets break down the pages.

1,724 is made up of

  • 9 one digit numbers (1-9) = 9 x 1 = 9 digits
  • 90 two digit numbers (10-99) = 90 x 2 = 180 digits
  • 900 three digit numbers (100-999) = 900 x 3 = 2700 digits
  • 725 four digit numbers (1000-1724) = 725 x 4 = 2900 digits

Now, lets add the digits.

9 + 180 + 2700 + 2900 = 5,789

Hence, the total number of digits required in numbering the pages of a book, which has 1,724 pages are 5,789.

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4 years ago
Need help on how to use percent box<br> 20% of 25
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2 years ago
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Clint spends 1/2 hour practicing trumpet, 3/4 hour doing tasks around the house, 1 1/2 hour doing homework, and 1/4 hour cleanin
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Which expression is equivalent to (picture attached)
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Answer:

Its the last one a^2/b.

Step-by-step explanation:

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= a^2b^-1

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3 years ago
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