What is the estimated sum? Round each addend to the nearest ten thousand before adding.

42,359 + 312,738

A.
350,000

B.
352,000

C.
355,000

D.
360,000

Question

What is the estimated sum? Round each addend to the nearest ten thousand before adding. 
 
42,359 + 312,738 
 
 A.
350,000
 
 B.
352,000
 
 C.
355,000
 
 D.
360,000

nonopro · Answer

@angel12310

anonymous · Answer

Nearest ten thousand; 42,359 = 40,000.
312,738 = 310,000.
40,000 + 310,000 = ?

anonymous · Answer

It would be A. because 42,359 + 312,738 rounded to the nearest ten thousand is 40,000 and 310,000

anonymous · Answer

U beat me 2 it Mikeyy

anonymous · Answer

It's fine. Thank you for helping, anyways. (:

nonopro · Answer

thank you

nonopro · Answer

what about                                                                                                                                   Add.
 
5,277,381 + 1,820,684
 
 A.
7,198,165
 
 B.
7,108,065
 
 C.
7,098,065
 
 D.
7,097,165

anonymous · Answer

C.

anonymous · Answer

You could just use an online calc.

anonymous · Answer

:D