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To solve the division of decimals problem , we'll follow these steps:
Let's break these steps down:
Step 1: To make the numbers whole, multiply both 14.7 and 0.07 by 100. This shifts the decimal point two places to the right in each number.
Step 2: Now, divide the resulting whole numbers:
Step 3: Perform the division:
Therefore, the calculated result of is , matching the correct answer choice.
Solve the following exercise:
You multiply by 100 because the divisor 0.07 has 2 decimal places. This moves both decimal points 2 places right, making both numbers whole while keeping the division equivalent.
No problem! Just add zeros as needed. For example, if dividing 5.2 ÷ 0.003, treat 5.2 as 5.200, then multiply both by 1000.
Count the decimal places in the divisor (the number you're dividing by). That tells you how many places to move both decimal points to the right.
No! You must account for decimal positions. Ignoring them gives completely wrong answers. Always use the multiply-by-power-of-10 method first.
Use estimation to check! is roughly , so 210 makes sense as it's in the right ballpark.
When you divide by a number less than 1 (like 0.07), the result is always larger than the original number. Think: 'How many 0.07s fit into 14.7?' - quite a few!
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