Express your answer in scientific notation. 2.2 \cdot 10^{6} - 4.3 \cdot 10^{5} =2.2⋅10 6 −4.3⋅10 5 =2, point, 2, dot, 10, start superscript, 6, end superscript, minus, 4, point, 3, dot, 10, start superscript, 5, end superscript, equals