Chemistry, 11.10.2020 23:01 natalie2sheffield

CALCULATE SCIENTIFIC NOTATION (Add and Subtract) 1) 9 × 103 + 2.3 × 104

2) 15 × 102 + 5.2 × 105

3) 10 × 104 + 2.8 × 106

4) 7.0 × 103 + 8.6 × 104

5) 3.0 × 104 + 14.5 × 105

6) 8 x 104 – 2.7 x 102

7) 5.0 x 103 – 8.9 x 104

8) 7.0 x 103 – 8.20 x 102

Answers: 3

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CALCULATE SCIENTIFIC NOTATION (Add and Subtract) 1) 9 × 103 + 2.3 × 104

2) 15 × 102 + 5...