9 Enter the unknown number that makes the equation true. 15 meters = \( \square \) centimeters

To solve for the unknown number, we need to remember that there are 100 centimeters in a meter. So, to convert 15 meters to centimeters, we simply multiply by 100. Therefore, \( 15 \text{ meters} = 15 \times 100 = 1500 \text{ centimeters} \). So, the unknown number is 1500. Isn't it cool how such simple conversions can unlock so much understanding of measurement? Every day, we use conversions without even thinking about it! Whether you're cooking, crafting, or measuring a new space in your home, understanding how to convert units can be super handy. Think about how knowing the right conversions can help you nail that recipe or get the perfect size furniture!