Evaluate the expression using exponential rules. Write the result in standard notation.(6 × 105) × (5 × 102)
A. 30,000,000
B. 30,000,000,000
C. 3,000,000,000
D. 300,000,000
Answer: D
Mathematics
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Provide an appropriate response.Reduce 
to lowest terms.
A. 
B. 
C. 1
D. 
Mathematics
Translate the problem situation to a system of equations. Do not attempt to solve.Two angles are supplementary. One angle is 18° more than three times the other angle. Find the measures of the angles. (Let x and y represent the angles.)
A. x + y = 90, x = 18 - 3y B. x + y = 180, x = 3y - 18 C. x + y = 90, x = 3y + 18 D. x + y = 180, x = 3y + 18
Mathematics
Solve.x - y + z = 9x + y + z = 1x + y - z = -1
A. (1, -4, 4) B. (1, 4, -4) C. (4, 1, -4) D. (4, -4, 1)
Mathematics
Make the indicated conversion within metric units of mass.247 grams to kilograms
A. 24,700 kg B. 247,000 kg C. 0.0247 kg D. 0.247 kg
Mathematics