Problem: Use your calculator to determine the answer to the following calculation:1.0x10-154.2x10-7Express the answer in scientific notation, ◻ × 10◻, using two significant figures.Scientific notation can be used to express very large or very small numbers more easily. For example,299800000 = 2.998 × 1080.00000509 = 5.09 × 10− 6In Mastering Chemistry, you may enter answers in scientific notation in the following format:2.998*1085.09*10-6

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Problem Details

Use your calculator to determine the answer to the following calculation:

1.0x10-154.2x10-7

Express the answer in scientific notation, ◻ × 10, using two significant figures.

Scientific notation can be used to express very large or very small numbers more easily. For example,

299800000 = 2.998 × 108
0.00000509 = 5.09 × 10− 6

In Mastering Chemistry, you may enter answers in scientific notation in the following format:
2.998*108
5.09*10-6

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Significant Figures concept. You can view video lessons to learn Significant Figures. Or if you need more Significant Figures practice, you can also practice Significant Figures practice problems.