math facts and formulas. Exponents xa · xb = xa+b (xa )b = xa·b x =1 Scientific Notation Scientific notation is a short-hand form to write numbers which would have a lot of zeros when written as decimals. For example, instead of writing 1230000, you can just write 1.23 × 1000000, or 1.23 × 106 . The familiar powers of ten include: 10−3 = 0.001, 10−2 = 0.01, 10−1 = 0.1, 100 = 1, 101 = 10, 102 = 100, 103 = 1000. To go from scientific notation to a plain decimal number, move the decimal to the right or…
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