Question

213.49 in standard form is

Answer 1

Answer:

21349/100

Step-by-step explanation:

this is the solution

Answer 2

Answer:2.1349*10^2

Step-by-step explanation:

Write the number as a decimal

213.49

2. Make it a new number between 1 and 10

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Move the decimal point to make 213.49 a new number between 1 and 10. Because our number is greater than 10, we move the decimal point to the left. Drop any trailing zeros and place the decimal point after the first non-zero digit. Keep track of how many times we move the decimal point.

3. Define the power of 10

Because our original number was greater than 10, the power of 10 is positive. Remember, we moved the decimal point 2 times, so the exponent is positive 2:

10^2

4. Final result: 2.1349*10^2