Write the following as a base-ten numeral.6 ? 103 + 8 ? 102 + 4
A. 1804
B. 6104
C. 6804
D. 6800
Answer: C
Mathematics
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Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 7.0 ft high and meets the ground at a point 5.0 ft from the base of the pole. If the point is 78 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 546 ft B. 7 ft C. 2730 ft D. 109 ft
Mathematics
Use properties of exponents to simplify the expression. First, express the answer in exponential form. Then, evaluate the expression.23 ? 22
A. 25; 12 B. 5 ? 2; 10 C. 25; 32 D. 26; 64
Mathematics
Use a calculator to evaluate. Express the answer as a decimal and as a fraction.
÷ 
? 
A. 2.625; 
B. 10.5; 
C. 1.68; 
D. 2.625; 
Mathematics
Find the solution to the quadratic equation, if they exist.
2x²+4x+7= 0
Mathematics