Answer:
C. 2.5×10^-27
Step-by-step explanation:
(2×10^-13)^-2 = 2^-2 × 10^(13×(-2)) = 1/4 × 10^-26
= 0.25 × 10^-26 = 2.5 × 10^-27
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Your scientific or graphing calculator can compute and display this for you.
Answer:
r = 21
Step-by-step explanation:
nth of sequence P :

: 
Hi ky name is ni ole and i xont know the ansewer bye
The answer to that is A) 1
Cos A will be 60°.
Because When, cos is 1/2 then theta or angle is degree 60°