Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log105 + log1020
A. 2
B. log10100
C. 2log1010
D. log1025
Answer: A
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Carry out the indicated operation and give your answer with the specified number of significant digits.781 ÷ 0.00716; 3 significant digits
A. 109,078.212 B. 109,078 C. 109,100 D. 109,000
Write the expression as a single logarithm. Leave your answer in simplest form without negative or fractional exponents.loga 6x + 5(loga x - loga y)
A. loga 
B. loga 
C. loga(6x + x5 - y5)
D. 
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.6x- 0.7y+ 5.3z- 3.4w= 12.9 6.5y+ 0.7w= -1.8 4.0z- 2.2w= 1.54.9x+ 0.6w= 3.2
A. (2.2, 1.1, 7.2, 12.4) B. (-2.2, 1.1, -6.4, 23.3) C. (2.2, -1.1, -6.4, 7.6) D. (2.2, 1.1, -6.4, -12.4)
Complete.37 mL = L
A. 0.37 B. 3700 C. 0.037 D. 37,000