mathinschool.com
numbers and algebraic expressions
logic, sets, intervals
absolute value
function and its properties
linear function
quadratic function
polynomials
rational function
exponential function
logarithm
number sequences
limits of sequences and functions
derivative and integral of functions
trigonometry
plane geometry
analytic geometry
solid geometry
combinatorics
probability
elements of statistics
kropki game

Round numbers to 2 decimal places. 0.21, 2.326, 7.465, 0.2071. Round numbers to 1 decimal place. 0.34, 0.872, 9.05012, 2.968. Round numbers to integer. 2.34, 4.72, 10.5512, 29.768. Round numbers to thousand. 3178, 4720, 35510, 39500. Round numbers to ten. 349, 574.3, 2345, 899.7. Round 1.5849 to 4 decimal places equal 10^{0,2}. Find round 10^{-4/5} to 3 decimal places and round 10^{11/5} to 1 decimal place.