What's the difference between 9.9*10^5 and 5.2*10^2? Express your answer using either standard notation or scientific notation.
To compare 9.9*10^5 and 5.2*10^2, we need to first convert both numbers to standard notation.
9.9*10^5 = 990000
5.2*10^2 = 520
Now we can see that 9.9*10^5 is larger than 5.2*10^2. In standard notation, 9.9*10^5 is 990000, while 5.2*10^2 is 520.