I use the ^ symbol to mean 'to the power of' and * to mean multiply. You want to find i^21
Remember i^4 = i^2 * i^2 = -1 * -1 = 1
So i^21 = i^4 * i^4 * i^4 * i^4 * i^4 * i^1 = 1 * 1 * 1 * 1 * 1 * i = i.
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Just multiply "i" by itself, 21 times. Note that for every 4 factors of "i", you get a "1" - so you can separate "i to the power 21" as "i to the power 20" times "i".
There are an infinite number of fractions that are all equal to 21/49 .The one in lowest terms (simplest form) is 3/7.
21 over 10 as a mixed number is 21/10
1000000000000000000000 It is 10 with 21 zeroes.
The divisors of 21 are: 1, 3, 7, 21.
To convert the improper fraction 6/21 into a mixed number, you divide the numerator (6) by the denominator (21). This division gives you a quotient of 0 with a remainder of 6. Therefore, the mixed number equivalent of 6/21 is 0 6/21 or simply 6/21.