The current population of the Earth is estimated to be about \( 7,440,000,000 \) people. Express this number using scientific notation. 74.4 \( 744 \times 10^{8} \) \( 0.744 \times 10^{10} \) \( 7.44 \times 10^{9} \)

Estimate by rounding to the nearest hundred. \( 996,721 \times 590 \) \( 598,020,000 \)

Sam ran 63;756 feet in 70 minutes. What is Sam's rate in miles per hour? (There are 5,280 feet in one mile.)

Sam ran 63;756 feet in 70 minutes. What is Sam's rate in miles per hour? (There are 5,280 feet in one mile.) Step 1: What is Sam's rate as stated? \( \frac{63,756 \text { feet } ~}{5,280 \text { feet } ~} \)

Estimate by rounding to the nearest hundred. \( 996,721 \times 590 \) \( 598,020,000 \)

Find the number that makes the ratio equivalent to \( 8: 44 \). Submit