Anthony who is 2 meters tall is standing on the top of a skyscraper that is 1 kilometer tall. how many meters is it from the top of anthony's head to the bottom of the skyscaper?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f