TOMMY WANTS TO HELP KATHY BRING APPLES TO HER GRANDMOTHER'S HOUSE. TOMMY HAS A BUCKET OF 5 APPLES. HE GAVE KATHY 2 APPLES TO PUT IN HER BUCKET.

CALCULATE THE SUN'S MASS.

To calculate the mass of the Sun, we need astronomical data and equations. We don't have any context or information about the Sun's mass in the given question, but I can explain how scientists have determined the mass of the Sun.

Scientists have calculated the mass of the Sun by studying its gravitational effect on other celestial bodies in our solar system. By observing the orbits of planets and their interactions with the Sun, scientists can use Newton's laws of motion and the law of universal gravitation to determine the Sun's mass.

To get a rough estimate of the Sun's mass, we can use a basic equation:

F = (G * M * m) / r^2

Where:
- F is the gravitational force between two objects
- G is the gravitational constant (6.67430 × 10^-11 m^3 kg^-1 s^-2)
- M is the mass of the Sun (what we want to calculate)
- m is the mass of a planet or satellite
- r is the distance between the Sun and the planet or satellite

By applying this equation to multiple planets and satellites in the solar system, scientists can average out the results and determine the Sun's mass.

However, keep in mind that this calculation is complex and involves data from many sources. The most accurate determination of the Sun's mass comes from several astronomical observations and measurements combined. The current accepted value for the mass of the Sun is approximately 1.989 × 10^30 kilograms.

Therefore, without additional information or data, we cannot calculate the mass of the Sun in the context provided.