the answer is 7
2 fifths = 0.4
With an arc of 144 degrees
2/5 is bigger than 1/3
0.03 + 0.1 = 0.13
Find the tenth place 0.X00 Add 1 to that place. 1.623 plus one tenth more is 1.723
Ten hundredths equal a tenth. For example, when you add 1 hundredth (0.01) to 9 hundredths (0.09), you get 1 tenth (0.1).
2-fifths as a percentage = 40%2/5 * 100% = 200%/5 = 40%
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When rounding to the tenth, look at the next number (in your case, in the 100th column)... if it is 5 or greater, then add 1 to the tenth spot and drop the rest. If it's less than 5, then just drop the rest. So, 7.93 rounded to the nearest tenth would be 7.9. 7.95, however, would be 8.0 (add 1 to the tenth)
One tenth can also be expressed as 0.1; 0.8 + 0.1 = 0.9. Thus, the sum of 0.8 and one tenth (1/10) is 0.9.
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One tenth = 0.1 One hundredth = 0.01 0.1 + 0.01 = 0.11 (or eleven hundredths)
you do not regroup 1 tenth as 10 hundredths
well you know how to add it so just subtract the the same way! ~ Samantha a fourth grader
well it depends on what symbol but if it is addition that is easy just add them