Round 34,571 to the place value of the underlined digit.
34,500
34,570
34,600
35,000

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

Can someone me and explain..will award brainlest!

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation