Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find [H3O+] if the pH = 1.4.
A. 2.5 × 10-1
B. 4.0 × 10-1
C. 2.5 × 10-2
D. 4.0 × 10-2
Answer: D
Mathematics
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Solve the equation.1 - 
= 
A. {-2}
B. {- 
}
C. 
D. {2}
Mathematics
Write in decimal notation.5.683 × 104
A. 568,300 B. 227.32 C. 5683 D. 56,830
Mathematics
Find the domain and range of the inverse of the given function.f(x) = 
A. Domain: 
? 
Range: 
? 
B. Domain: 
? 
Range: 
? 
C. Domain: 
? 
Range: 
? 
D. Domain: 
? 
Range: 
? 
Mathematics
Factor the polynomial completely.375k3m - 24m4
A. (15km - 6m2)(25k2 + 4m2) B. 3m(125k - 2m)(k2 + 10km + 4m2) C. 3m(5k - 2m)(25k2 + 10km + 4m2) D. 3m(5k + 2m2)(25k2 - 10km + 4km2)
Mathematics