Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.(2 × 3)(3 × 2)
A. not defined
B. 2 × 3
C. 3 × 3
D. 2 × 2
Answer: D
Mathematics
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Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Determine the slope and the y-intercept and write the equation of the line in slope-intercept form.
A. y = - x - 6 B. y = x - 6 C. y = x + 6 D. y = - x + 6
Mathematics
Identify the equation as either an identity or not.sin ? sec ? = cos ? csc ?
A. Not an identity B. Identity
Mathematics
Evaluate the expression.
A. - 
B. 
C. 
D. - 
Mathematics