Express the number in scientific notation.0.0000004
A. 4 × 10-6
B. 4 × 10-8
C. 4 × 10-7
D. 4 × 10-9
Answer: C
Mathematics
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Subtract.0.16 - (-5.439)
A. 0.870 B. 5.279 C. 5.699 D. 5.599
Mathematics
Use a double integral to find the volume of the solid shown in the figure.
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?
A. 
B. 
C. 
D. 
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x + 5y)(x - 5y)
A. x2 - 25y2 B. x2 + 10xy - 25y2 C. x2 - 10y2 D. x2 - 10xy - 25y2
Mathematics
Determine whether the equation defines y as a function of x. y = x4
A. function B. not a function
Mathematics