Answer:

The formula for finding exponents is multiply the number following the exponent by itself that number of times.
Answer:
The answer is1202.5 . I guess
Answer:
The answer is B.
Step-by-step explanation:
r- (-12.4) = -15.8
r + 12.4 = -15.8
-12.4 -12.4
r = -28.2
The answer is no, because the Rank Theorem tells us that rank A + dim Nul A = 12 . Since the rank can be at most 10, the null space has to have dimension at least two.