Rewrite each number in scientific notation.26. 654,000 27. 9,500,000,000

26. The number 654,000 can be written in scientific notation as 6.54 x 10^5.

Step 1: Identify the decimal place. In this case, it's after the last zero. Step 2: Move the decimal place to the right of the first non-zero digit. Here, it's after 6. Step 3: Count the number of places you moved the decimal. Here, it's 5 places to the left. Step 4: Write the number as the decimal times 10 raised to the number of places you moved the decimal. Here, it's 6.54 x 10^5.

27. The number 9,500,000,000 can be written in scientific notation as 9.5 x 10^9.

Step 1: Identify the decimal place. In this case, it's after the last zero. Step 2: Move the decimal place to the right of the first non-zero digit. Here, it's after 9. Step 3: Count the number of places you moved the decimal. Here, it's 9 places to the left. Step 4: Write the number as the decimal times 10 raised to the number of places you moved the decimal. Here, it's 9.5 x 10^9.