Evaluate by using a scientific notation and scientific calculator. Write your answer in scientific notation.
1. (400 000)(250 000)
2. (70 000 000)²
3. (3 500 000)/2 500
4. 0.000014 + 0.0000067
5. 1.28 x 10²⁴ ÷ 3.2 x 10⁶
1. (400 000)(250 000)
2. (70 000 000)²
3. (3 500 000)/2 500
4. 0.000014 + 0.0000067
5. 1.28 x 10²⁴ ÷ 3.2 x 10⁶
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