0.014503
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1.4503 x 10^4
58 is another way of writing it. Unless 10-2 is in parentheses, you do the multiplication first. 6(10-2) = 48.
For scientific notation, Ex is used, where x is the power of 10. Therefore, you could write your number as: 3.78E5
One way to do it: 0.25 = 25/100 (decimal is another way of writing the fraction) Notice that both numerator and denominator are squares: 25/100 = (5*5)/(10*10) = (5^2) / (10^2) = (5/10)^2 So the square root is 5/10 = 1/2 = 0.5
Exponential notation is a useful way of writing big numbers. Exponential notation means "to the power of...". For example: 24 means 2x2x2x2 (2 times itself three times) 10^8 (another way of writing exponential notation) means 100000000 (1 with 8 zeros after it).