Simplify 26.5 × 23.5.
622.75
622.25
725.25
722.75
(x - y)2 = (x - y)(x - y)
x2 - 2xy + y2
x2 + 2xy + y2
x2 + 2xy - y2
x2 - 2xy - y2
Compute the square of the number 105.
11000
101025
10025
11025
Find 698 × 499 using easy methods.
348302
34280
343082
342830
(10.2)2 = ?
105.04
100.05
104.05
104.04
Compute the square of the number 52.
2704
2705
2706
2707
(20½)2 = ?
420¼
424¼
520¼
524¼
(30½)2 = ?
930 ½
923½
930¼
932¼
732 = ?
5329
5239
5923
5932
