How do you write the number 5hundreds 6tens 12ones in standard form?

What is 13x-1? What is the slope of a line perpendicular to the graph of the equation below 2.1x - 5y equals 6.9? What prime numbers go into 65? What rhythms takes the pattern quarter eighth half? What are the parts of each operation? How old will a eleven year old will be in 2050? What is 73.005 rounded to the nearest hundred? What is the longest factor string for the number 48? What is seven-eleveths of 44? What percent of 75 is x? What number goes into 3036? What number comes next in this sequence 0 10 1110 3110 132110 111312110? What is 0.793 as a fraction? What is a visual verbal or mathematical explanation that is supported by data? How much is 4 quarters? How many inches in 124 ft? What is 30 percent of 180? What is 315 simplified? How can you make a table of dimensions with the height of box is 1 cm the length of base is 20 cm and the width of base is 14 cm what is the volume of box? What does simplyfing an expression mean?