Round each addend to the nearsest ten thousand, and then find the estimated sum for 337,961 + 482,746 = 820,707
Answer: 1. <u><em>77.31961650818018</em></u> 2. <u><em>16.26020470831196</em></u> 3. <em><u>75.7499673021964</u></em> 4. <em><u>31.89079180184571</u></em> 5. <em><u>67.38013505195958</u></em> 6. <em><u>28.072486935852954</u></em>
Step-by-step explanation:
I used a right triangle calculator!
Since the 9 is greater than or equal to 5, we'll round our number up by adding 1 to the 3 in the hundreds place, making it a 4. And also by changing all digits to the right of this new 4 into zeros.
And our rounded number would be 400
