express 47.2 as scientific notation
To express 47.2 in scientific notation, follow these steps:
Step 1: Identify the non-zero digits in the number. In this case, the non-zero digit is 4.
Step 2: Move the decimal point to the right or left to create a number between 1 and 10. Count the number of places you moved the decimal point.
In this case, move the decimal point one place to the left to create the number 4.72.
Step 3: Write the number from step 2 as a coefficient of 10 raised to a power. The power is equal to the number of places you moved the decimal point in step 2.
In this case, since we moved the decimal point one place to the left, the power is -1.
Therefore, 47.2 in scientific notation is 4.72 × 10^1