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Suppose p = a*10^x and

q = b*10^y are two numbers in scientific notation.


Then p*q = (a*b)*10^(x+y)

where, 1 <= |a|,|b| < 10 implies that 1 <= |a*b| < 100.

If a*b is greater than or equal to 10, let a*b = 10*c

then in scientific notation, p*q = c*10^(x+y+1).

Also p/q = (a/b)*10^(x-y)

where, 1 <= |a|,|b| < 10 implies that 0 < |a/b| <= 1.

If a/b is less than 1, let a/b = c/10

then in scientific notation, p/q = c*10^(x-y-1).


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โˆ™ 2015-03-26 18:44:44
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