Final answer:
3x10³ is 10 times larger than 3x10².
Step-by-step explanation:
To find out how many times larger 3x10³ is than 3x10², we can divide 3x10³ by 3x10². When dividing, we subtract the exponents: (10³)/(10²) equals 10^(3-2) which simplifies to 10^1. So, 3x10³ is 10 times larger than 3x10².