225 = 32*52
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1, 3, 5, 9, 15, 25, 45, 75, 225 32 x 52 = 225
In expanded index notation, 1344 can be expressed as (1.344 \times 10^3). This means that the number 1344 is equivalent to 1.344 multiplied by 10 raised to the power of 3. Expanded index notation is a way to represent numbers in scientific notation, making it easier to work with very large or very small numbers.
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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 coefficients2. Add the exponentswww.onlinemathlearning.com/adding-scientific-notation.htmlhttp://www.onlinemathlearning.com/dividing-scientific-notation.htmlhttp://www.onlinemathlearning.com/scientific-notation.html
A notation used to express the members of a set of numbers.