If the solar disc requires 2 minutes for an apparent motion of one solar diameter across the sky (0.5 degrees), how many solar diameters extend from sunrise to noon on an equinox day? 12 solar diameters 24 solar diameters 60 solar diameters 120 solar diameters 180 solar diameters

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Scientific Notation

We have to deal with quantities that are extremely large or very small. For example- I may have 6,500,000,000 red blood cells, or the diameter of an iron atom is 0.000000011 inches. Numbers with many zeros can be inexpedient to work with, so scientists use scientific notation. It represents very large numbers or very small numbers in a simple form. We know that whole numbers can be extended to infinity, but we cannot write such large numbers on paper. Numbers that present in millions of places after the decimal point need to be represented simply. Thus, it is difficult to represent a few numbers in their extended form. Therefore, we use scientific notation.