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Math  /  Math Statement

QuestionEvaluate the following without a calculator and express in scientific notation:
1. 0.0025×107−1.07×1050.0025 \times 10^{7}-1.07 \times 10^{5}
2. 9×106+2.4×1079 \times 10^{6}+2.4 \times 10^{7}
3. (0.0034)(2.5×10−7)(0.0034)(2.5 \times 10^{-7})
4. 1.44×10−8÷0.0000241.44 \times 10^{-8} \div 0.000024

Studdy Solution
Express 0.6×10−30.6 \times10^{-3} in scientific notation.
0.6×10−3=6×10−40.6 \times10^{-3} =6 \times10^{-4}So, the solutions to the given expressions are33. .43×105.43 \times10^{5}
34. 3.3×1073.3 \times10^{7}
35. .5×10−9.5 \times10^{-9}
36. 6×10−46 \times10^{-4}

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