[tex]3 \times {10}^{2} + 6 \times {10}^{0} + 9 \times {10}^{ - 1} = \\ 300 + 6 + 0.9 = 306.9 = 3.069 \times {10}^{2} [/tex]
[tex]7 \times {10}^{ - 4} + 1 \times {10}^{ - 6} = 0.0007 + 0.000001 = \\ 0.000701 = 7.01 \times {10}^{ - 4} [/tex]
