Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.

A. t2
B. t-10
C. t10
D. t-2


Answer: A

Mathematics

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A. ?
B. ?
C. ?
D. ?

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List all the elements of B that belong to the given set.B = {15, , -7, 0, , 0.41, -7?, 0.252525.....}Irrational numbers

A.
B.
C.
D.

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Convert the angle in radians to degrees.- 

A. 1° B. -1° C. -36?° D. -36°

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Use estimation to determine which calculation is incorrect.

A.

B.

C.

D.

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