Crelle’s Journal is the oldest mathematics periodical in existence. Zacharias Dase’s incredible calculating skills were made famous by Crelle’s Journal in 1844. Dase produced a table of factors of all numbers between 7,000,000 and 10,000,000. He listed 7,022,500 as a perfect square. What is the square root of 7,022,500?
a.
2650
c.
2860
b.
2450
d.
2790