The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.0, 2, 6, 12, 20, ...
A. an = 4n - 6
B. an = 2n-1 - 1
C. an = n2 - n
D. an = 2n - 2
Answer: C
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A. 4536??
B. 
??
C. 
??
D. 5184??
Write the number in standard form.Light with a wavelength of 4 × 10-4 meters is in the infrared portion of the electromagnetic spectrum.
A. 0.004 B. 0.0004 C. 0.00004 D. 40,000
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