(3 x 5) to the 2nd power.step by step answers please. show work.?

0 ⤊

2007-09-26 08:46:47 · 3 answers · asked by antm071993 1 in Science & Mathematics ➔ Mathematics

3 x 5 = 15,
15 to the second power = 15x15 = 225.

2007-09-26 08:51:34 · answer #1 · answered by Anonymous · 0⤊ 0⤋

(3 X 5)^2 = [(1 + 2) X 5]^2 =(1 X 5 + 2 X 5)^2 =
= (5 + 10)^2 = 5^2 +2*5*10 + 10^2 =
= 25 + 100 + 100 = 225

2007-09-26 08:53:42 · answer #2 · answered by Amit Y 5 · 0⤊ 0⤋

(3 x 5)^2 = (15)(15)=225

2007-09-26 08:52:21 · answer #3 · answered by Grampedo 7 · 0⤊ 0⤋