exam Maths Puzzle Numerical Ability

The calculator says log 7=0.84509804. Is this a reasonable valu? why or why not?

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exam Other Question

Use the indicated property to write an expression that is equivalent to the following expression.
(7 � 5)�2 (associative property of multiplication) Write an equation of the Line 1 passing through (3,-4) that is parallel to the Line II 5x-3y-9=0. Does the line I pass through the point (6,7)? Does the line II pass through the point (6,7)?