Solve Step 2. For Cu-63: 69.2% X 62.93 amu = 0.692 x 62.93 amu =
Х
Step 3. For Cu-65: 30.8% X 64.93 amu =
Step 4. Average mass: 43.6 amu +
It’s asking to fill in the blanks?

the answer would be a

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.