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Math  /  Math Statement

QuestionEvaluate these expressions without a calculator and express answers 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
Perform the division.
.440.000024×10−8=6×10−8\frac{.44}{0.000024} \times10^{-8} =6 \times10^{-8}So, the solutions are33. −0.008×107-0.008 \times10^{7}
34. 33×10633 \times10^{6}
35. 0.0085×10−70.0085 \times10^{-7}
36. 6×10−86 \times10^{-8}

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