A scientist was studying an atom and through experimentation found that the total negative charge of the area surrounding the nucleus is -9. Which statement correctly describes this atom?
A. This atom has nine clouds.
B. This atom has nine electrons.
C. This atom has nine neutrons.
D. This atom has nine protons.
Answer (3)
6 ∗ 8 7 = 8 6 ∗ 7 = 8 42 = 5 4 1 5 hours and 15 minutes (5 hours and a quarter)
It will take him 5 hours and 15 minutes to rake the leaves for 6 neighbors. Hope I could help! :D
Matt will take 5 hours and 15 minutes to rake the leaves for 6 neighbors. This is calculated by multiplying the time it takes to rake one lawn by the number of neighbors. Specifically, the total time amounts to 8 7 hour per lawn times 6 lawns, equaling 5.25 hours total.
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