178cosmaeckelberg
06.01.2020 •
Mathematics
Abook is 15 centimeters long and 6 centimeters wide. what are the length and width of the book in inches.round your answer to the nearest hundredth.
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Ответ:
Length and width of book is 5.91 inches and 2.36 inches respectively
Solution:
Given that a book is 15 centimeters long and 6 centimeters wide
To find: length and width of book in inches
From given question,
Length of book = 15 cm
Width of book = 6 cm
The conversion factor used is:
1 cm = 0.393701 inches
Therefore, length of book in inches is:
Rounding off rules:
First look at the digit to immediate right of rounding off digit
If that digit is less than 5, do not change the rounding digit but drop all digits to the right of it.
If that digit is greater than or equal to five, add one to the rounding digit and drop all digits to the right of it.
On rounding to nearest hundredth, ( two decimal places )
Width of book in inches:
On rounding to nearest hundredth, we get 2.36 inches
Ответ:
for car 65 ≥ c ≥ 45 and read as car speed is less than or equivalent to 65 but more than or equal to 45.