To add these distances, they must share the same unit so first you need to first convert the swim distance from meters (m) to kilometers (km) before adding it to the bike and run distances which are already in km. To convert 100 meters to kilometers, divide the distance by 1000 to get 0.1km then add the remaining distances:

total distance = swim + bike + run
total distance = 0.1km + 50.1km + 7.4km
total distance = 57.6km

To add or subtract terms with exponents, both the base and the exponent must be the same. In this case they are so add the coefficients and retain the base and exponent:

-3z⁵ + 9z⁵
(-3 + 9)z⁵
6z⁵

To add these radicals together their radicands must be the same:

6\( \sqrt{32} \) + 5\( \sqrt{2} \)
6\( \sqrt{16 \times 2} \) + 5\( \sqrt{2} \)
6\( \sqrt{4^2 \times 2} \) + 5\( \sqrt{2} \)
(6)(4)\( \sqrt{2} \) + 5\( \sqrt{2} \)
24\( \sqrt{2} \) + 5\( \sqrt{2} \)

Now that the radicands are identical, you can add them together:

To fill a 4 gallon tank exactly halfway you'll need 2 gallons of fuel. Each fuel can holds 1 gallons so:

cans = \( \frac{2 \text{ gallons}}{1 \text{ gallons}} \) = 2

The factors of a number are all positive integers that divide evenly into the number. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.