1290
For an "estimate", I would suggest rounding it to one or two significant digits.
To find 30 percent of a number, multiply the number by 0.3. In this instance, 0.3 x 1290 = 387. Therefore, 30 percent of 1290 is equal to 387.
12.9 = 1290 %
1h = 60min 1290min x 1h/60min = 21.5h
40% of 1290= 40% * 1290= 0.4 * 1290= 516
They are no main features
2009 - 1290 = 719
1290
1290 grams = 1.29 kg
430
The century of 1271 to 1290 is the 27th century.
There are 100 centimetres in one metre. Therefore, 1290 centimetres is equal to 1290/100 = 12.9 metres.
There are 10 millimetres in one centimetre. Therefore, 1290 millimetres is equal to 1290/10 = 129 centimetres.
Well, isn't that just a happy little question! The greatest perfect square of 1290 is 36, because 36 x 36 equals 1296, which is the closest perfect square to 1290. It's all about finding the beauty in numbers and appreciating the little surprises they bring.
Dark
The Vatican really has no significant geographic features.