3.100 I think if I am correct
Answer:
u=1
Step-by-step explanation:
If they started at the south pole every direction is north. Traversing the lattitudes (traveling 20 miles west) doesn't get you any farther from the pole.
So they photographed south pole stuff, mostly snow.
Answer:
No. The absolute value of 15.3 is 15.3, not the opposite.
Step-by-step explanation:
Absolute value makes any number its positive form. For example -2 in absolute form is 2. So 15.3 in absolute form is still positive 15.3.