book Maths Puzzle Numerical Ability

I need help evaluating this expression:

Log base 10 multiplied to (.01) raised to the 3rd power

Thanks
Michael V

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book Other Question

Hi I am having diffuclties setting up this problem:

If 46 painters used 70 nails in 90 days how many nails would 23 painters use in 60 days? In the diagram above, if O is the centre of the circle, then y=

(A) 25 degrees
(B) 80 degrees
(C) 90 degrees
(D) 100 degrees