Answer:
the answer is already in the question
D. 130°
D. 130
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Note: to round to the nearest ten, look to the first place digit. if it is 5 or greater, round up, if 4 and lower, round down
<em>124 rounded to the nearest ten = 120</em>
<em>38 rounded to the nearest ten = 40</em>
<em>71 rounded to the nearest ten = 70</em>
<em>207 rounded to the nearest ten = 210
120 + 40 + 70 + 210 = 120 + 110 + 210 = 230 + 210 = 440
440, or C </em>is your answer
hope this helps