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This image shows the following fraction: three times ten to the power of four over two times ten to the power of three. The 10 in the denominator is crossed out. There is a gap, then the following fraction: three times ten, times ten, times ten, times ten over two times ten, times ten, times ten. Both numerator and denominator are followed by the equals sign, linking to the third fraction: three times ten over two. This is followed by the equation: one point five times ten to the power of one.

 2.5 Working with scientific notation using the Windows calculator