another way to write 15 x x y = 15x2y
264
That can't really be simplified. I can though be rewritten: Log 6 = x is another way of saying: 10x = 6
9(6 + x) = 1
6 cubed (63) in standard form is 6 x 6 x 6, which equates to 216.
another way to write 15 x x y = 15x2y
58 is another way of writing it. Unless 10-2 is in parentheses, you do the multiplication first. 6(10-2) = 48.
x^-2
177788.5 x 2.
a x b x 102 = 102ab
44
2.09 x 10^2
That one, there!
6.4 x 106 or 6,400,000
Four hundredths, or 4 x 10-2
4.1 x 107 = 41,000,000
6 000 000 000 or 6 x 106