(c) Round off the following numbers to the number of decimal places indicated. \( \begin{array}{lll}\text { (1) } & 9,23584 \text { (3 decimal places) } & \text { (2) } 67,2436 \text { (2 decimal places) } \\ \text { (3) } 4,3768534 \text { (4 decimal places) } & \text { (4) } 17,247398(5 \text { decimal places) } \\ \text { (5) } 79,9999 \text { (3 decimal places) } & \text { (6) } 34,27846(4 \text { decimal places }) \\ \text { (7) } 5,555555 \text { (5 decimal places) } & \text { (8) } & 3 \pi \text { (3 decimal places) }\end{array} \)
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To round off the numbers, follow these simple steps: first, identify the digit in the decimal place to which you want to round. If the next digit is 5 or greater, increase the last digit you want to keep by one, and if it's less than 5, just drop the remaining digits. 1) **9,23584 (3 decimal places)** becomes **9,236**. 2) **67,2436 (2 decimal places)** becomes **67,24**. 3) **4,3768534 (4 decimal places)** becomes **4,3769**. 4) **17,247398 (5 decimal places)** becomes **17,24740**. 5) **79,9999 (3 decimal places)** becomes **80,000**. 6) **34,27846 (4 decimal places)** becomes **34,2785**. 7) **5,555555 (5 decimal places)** becomes **5,55556**. 8) **3 π (3 decimal places)** approximates to **9,425** (as \( \pi \approx 3.14159 \)). Rounding is all about approximating numbers, making them easier to read or use in calculations, without losing significant value!
