21 can be written as XXI in Roman numerals.
2.1
This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.
245 = 2.45 × 102
You would write it as 10 to the 11th power multiplied by 9.99.
You would write it like this 21 or 2.1*10^1.
21 can be written as XXI in Roman numerals.
2.1
20,000,000,000,000,000,000,000
0.42 = 21/50
This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.This is best written as 1021, since it is such a large number. If you want to write it out, write a one, followed by 21 zeroes.
7/12
It would be 106
245 = 2.45 × 102
2.2 = 21/5 or 11/5
You would write it as 10 to the 11th power multiplied by 9.99.
a4b2