Aand b are natural numbers. the diameter of cell a is 2.3 x 10^-a, and the diameter of cell b is 2.3 x 10^-b. whitch statement is a true statement -

a- if a = 4 and b = 6, then cell a is 100 times greater then cell b.

b- if a = 4 and b = 6, then cell b is 100 times greater then cell a.

c- if a = 4 and b =6 then cell a is 2 times greater then cell b.

d- if a = 4 and b=6 then cell a is 2 times greater then cell a.

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Solve the triangle. a = 21°, c = 105°, c = 5

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?