please check and see if my answers are correct if not let me know so i can redo these and find where i messed up
1. divid by moving the decimal point
27.3 dived 10^5
my answer .000273
2.Jon spent 1/3 of his study time doing math homework and 2/7 preparing for a history exam. What fraction of his study time remains?
my answer was 13/21
3.find the least common multiple of 10,15,25.
my answer was 150
4. Kristi jogged for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise?
my answer 1 17/20
5. add 8/25+3/20
my answer 47/100
#2
2/7=6/21
1/3=7/21
6/21 + 7/21=13/21
21/21 - 13/21=8/21
otherwise it looks ok
5 answers
I am still not understanding how you arrived at number 2
Find the five-number summary of the following set of numbers.
0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27
0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27
Write in decimal form.94 17/ 1,000
Jon spent 1/3 of his study time doing math homework and 2/7 preparing for a history exam. What fraction of his study time remains?
You need to find the LCM (21) that will give you 7/21 and 6/21. "REMAINS" indicates that you will subtract so 7/21 - 6/21 = 1/21.
Hope that helped.
You need to find the LCM (21) that will give you 7/21 and 6/21. "REMAINS" indicates that you will subtract so 7/21 - 6/21 = 1/21.
Hope that helped.
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