Round 0.8394263 to the nearest hundred-thousandth.
Round the number 43,678.426785 to the nearest ten thousand.
I am tossed up on my answers?Could you help
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Of course! I can help you with rounding these numbers. Rounding involves approximating a number to a certain decimal place or significant digit. Let's start with the first question:
To round 0.8394263 to the nearest hundred-thousandth, we need to identify the digit in the hundred-thousandth place, which is the sixth decimal place. In this case, that digit is 3. To determine whether to round up or down, we look at the digit immediately to the right of the hundred-thousandth place, which is 9. Since 9 is greater than or equal to 5, we round the number up. Therefore, rounding 0.8394263 to the nearest hundred-thousandth gives us 0.839430.
Now, let's move on to the second question:
To round 43,678.426785 to the nearest ten thousand, we need to identify the digit in the ten thousand place, which is the fifth digit from the right. In this case, that digit is 8. To determine whether to round up or down, we look at the digit immediately to the right of the ten thousand place, which is 4. Since 4 is less than 5, we round the number down. Therefore, rounding 43,678.426785 to the nearest ten thousand gives us 40,000.
I hope this explanation helps you understand how to round these numbers!