Assessment #1 Review

Rounding

1. Underline the digit of the place value.

2. look at the digit to the right.

3. 5 or more, raise one more. 4 or less, let it rest.

4. Remove all the digits after the underlined digit.

For example, round 1.89 to the nearest tenths place.

Answer: 1.9.

Scientific notation

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For any numbers that are greater than 1, we write the number using a positive power of 10​.

The larger the number, the greater the exponent.

Scientific Notation: How to