Express the number in scientific notation.870,000
A. 8.7 × 105
B. 8.7 × 104
C. 8.7 × 10-4
D. 8.7 × 10-5
Answer: A
Mathematics
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? 
+ 
? 
A. 
B. 
C. 
D. 
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Use the properties of determinants to find the value of the second determinant, given the value of the first.
= 61
= ?
A. -61 B. 0 C. 61 D. Cannot determine
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