Jawabanmu

2014-03-28T11:29:19+07:00
1,38X10⁻²³ X 150
1,38 X 10⁻²³ X 1,5 X 10²
2,07 X 10⁻²¹
2014-03-28T11:47:42+07:00
1,38x 10 pgkt -23 x 150 1,38 x 150 = 207 x 10 pangkat -23 = 2,07 pgkat -21