Let's solve each division step by step:

1. $0.15 \div 0.2603 = 0.5755$
2. $0.12 \div 0.359 = 0.3348$
3. $0.105 \div 0.4167 = 0.2520$
4. $0.09 \div 0.495 = 0.1818$
5. $0.075 \div 0.6828 = 0.1091$
6. $0.06 \div 0.894 = 0.0671$
7. $0.045 \div 1.94 = 0.0232$

If you would like to go over any details or have further questions, feel free to ask!

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Here are some related questions:

1. What is the effect of rounding decimals in division?
2. How do you convert decimals to fractions?
3. How can you perform division with scientific notation?
4. What are some techniques to estimate division in decimal form?
5. How can you compare ratios derived from decimal divisions?

Tip: When performing division of decimals, you can multiply both the numerator and denominator by 10 or 100 to remove the decimals and simplify the operation.