Answer:
the number of protons identifies what element it is, since it has 35 protons it is Bromine
number of protons=atomic number
It is equivalent to 4-(-7) = 4+7 = 11
8/1 × 1/8= 1 because 1/8's reciprocal is 8/1
2 1/6 is the fraction in mixed numbers
Answer:
22.2 m.
Step-by-step explanation:
They walk in a right triangle.
First they walk 7 then 6 m = 13 m.
We calculate the distance of the diagonal using Pythagoras:
x^2 = 6^2 + 7^2 = 85
x = √85
= 9.2 m. yo nearest 1/10.
Answer is 13 + 9.2
= 22.2 m.
