Write in expanded notation.4395

A. 400 + 90 + 3
B. 4,395,000
C. 5000 + 900 + 30 + 4
D. 4000 + 300 + 90 + 5


Answer: D

Mathematics

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Use the reference angle to find the exact value of the expression. Do not use a calculator.tan 

A.
B.
C. -
D.

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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.x-9 x5

A. - 
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