21 hundreds = 2100 38 tens = 380 So their sum is 2480
21 hundreds + 16 tens +11 units = 2,100+160+11=2271
23971
400 210 014 ___ 624 ___
21 + 21 = 42.
25 plus 21 plus 19 is equal to 65.
21
126
158.
21
No, 21- (5 plus 2) does NOT equal 23.
63 plus 47 plus 42 plus 21 is equal to 173.
-21 + 14 = -7