Answer: y = 0.1
Step-by-step explanation: The expression Y=((3x10^8)/(3x10^9)) can be simplified by dividing both the numerator and the denominator by 10^8. This gives:
Y=3×1093×108=3×103=101
Hence, Y = 0.1 in decimal form. This is also equivalent to 1 x 10^-1 in scientific notation.
