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Question 5.6.10: Use Scientific Notation on a Calculator to Determine a Produ......

Use Scientific Notation on a Calculator to Determine a Product

Multiply (3.7 × 10^6)(2.1 × 10^{-2}) using a scientific calculator. Write the answer in decimal notation.

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Our sequence of keystrokes is as follows:

Keystroke           Display

3.7                            3.7

\fbox{EXP}                        3.7E

6                                3.7E6

\fbox{×}                                3.7E6*

2.1                              3.7E6*2.1

\fbox{EXP}                         3.7E6*2.1E

\fbox{(–)} *                           3.7E6*2.1E–

2                                  3.7E6*2.1E–2

\fbox{=}                                 77700^†

Thus the product is 77,700.

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