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What is 10 to the -5th power?
15
Is 1 fifth the same as 10 20ths?
No, 1 5th is 1/5 = 0.2. 10 20ths is 10/20 = 0/5 (or a half).
What is 1 5th of 50?
10 50/5 =5
Is one fifth less than three tenths?
Yes, it is. To solve it: The numerator is the number on top. In this case you have a 1 and a 3 The denominator is the number on the bottom. In this case you have a 5 and a 10 You want the denominators to be equal. To do this, find the lowest number that both divide into (in this case 10, 10/5 = 2 and 10/10 = 1) To get the denominator of the 1/5th fraction to equal 10, you multiply (x) by 2. This will give you 10, however whatever you do to the top, you have to do to the bottom - i.e. you times the 5 by two (the denominator), you need to times the 1 by two (the numerator) this gives you 2/10ths = 1/5th. The second one is easier = to make 10 = 10, you only have to times by 1, so nothing changes. This means that you are seeing if 2/10ths is less than 3/10ths. As you have 1 less tenth, it is obvious that it is less. So 1/5th (or 2/10ths) is less than 3/10ths.
Simplify th 5th root of 0.00032?
5th_rt(0.00032) = 5th_rt(25/2555) = 5th_rt(1/55) = 1/5 = 0.2
