4.9 and 4.900
0.49
It is already written in decimal form.
490 ÷ 58 = 8 times remainder 26, alternatively, using fractions and decimals: 490 ÷ 58 = 8 13/29 ≈ 8.448
4% of 490 is equivalent to 19.6
Expressed as a surd, the square root of 490 is equal to 7 root 10. Rounded to two decimal places, this is equal to 22.14.
The given numbers are even and odd respectively
It was the equivalent of 490 in the times of the ancient Romans but the modern way of writing 490 in Roman numerals is now CDXC
To multiply a whole number by 100, add two zeros to the right. For example, 54 x 100 = 5400. To multiply any decimal number by 100, move the decimal point two positions to the right. For example, 4.1178 x 100 = 411.78, and 4.9 x 100 = 490. Note that in the last example I filled out missing digits with zero. Also note that 490 is the same as 490.0, so you can assume that in 490 there is an implicit decimal point to the right of the number.
490 = 490
490
25% of 490= 25% * 490= 0.25 * 490= 122.5
90% of 490 = 90% * 490 = 0.9 * 490 = 441