Estimate the value of the expression by first rounding each number to the nearest ten thousand.

345,023 + 193,968

a.
about 550,000

b.
about 539,000

c.
about 540,000

d.
about 544,000
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The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

What function has a range {yly< 5}? question on picture above^