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What is 365x2 365x3 365x4?
The expressions 365x2, 365x3, and 365x4 represent the multiplication of 365 by 2, 3, and 4, respectively. Calculating these, we get 730 for 365x2, 1,095 for 365x3, and 1,460 for 365x4. These values can represent the number of days in two, three, and four years, respectively.
How can you make 2400 from multiples of 380 450 280 and 365?
3x280+380+450+(365x2)=2400
How much does the earth rotate in one day?
The Earth rotates on its axis once each day. It is, in fact, the rotation of the Earth that creates a "day".However, due to the revolution of the planet around the Sun the a day can be taken to mean in reference to the sun or in reference to stars. The difference is accounted for by noticing the difference between a sidereal day and a solar day. A sidereal day is the time it takes for the Earth to spin once in reference to the vernal equinox rather than in reference to the sun. Over the course of a year the difference between the sidereal days and solar days adds up to a day as the revolution of the Earth around the sun masks one entire rotation of the axis.
