Express the number in scientific notation.4,200,000,000,000
A. 4.2 × 10-9
B. 4.2 × 109
C. 4.2 × 1012
D. 4.2 × 10-12
Answer: C
Mathematics
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A. 10
B. Undefined
C. 
D. - 
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Subtract in the indicated base.11,0002 - 1112
A. 10,0112 B. 11,0012 C. 10,0012 D. 10,0002
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Simplify.(x-9)-7
A. x63
B. 
C. -x63
D. -7x63
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Provide an appropriate response.Upon receipt of your bank statement you should first check for letter codes or symbols and for any transactions that you do not have a record of or do not understand.
A. True B. False
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