Steps multiplying and adding scientific notation?

To add or subtract two numbers in scientific notation:

Step 1: Adjust the powers of 10 in the 2 numbers so that they have the same index. (Tip: It is easier to adjust the smaller index to equal the larger index).

Step 2 : Add or subtract the numbers.

Step 3 : Give the answer in scientific notation.

To divide numbers in scientific notation:

Step 1 : Group the numbers together.

Step 2 : Divide the numbers.

Step 3 : Use the law of indices to simplify the powers of 10.

Step 4 : Give the answer in scientific notation.

To multiply numbers in scientific notation:

1. Multiply the coefficients
2. Add the exponents

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