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

How do you figure out significant figures of different numbers? How do you use numerical expression n to solve real world problems? When do you find an area or volumn by separting the figure into smaller figures? What does rectangular pyramid mean? Where is the horizontal ruler located on the screen? What is 117.456 rounded to the nearestt tenth? Robin has a block of material which measure 10 cm on each side. the block has a mass of 100 g. what is the density of the blocl? How do you convert 1.229 percent to 1.01229? How many inches equals to 14 feet and 8 inches? How many factors does 110 have? What the effect of heat conducted if area of rod is doubled? Is continuously a verb? What is 54168905 in expanded form? What is the scientific notation for 305000? What is the internal angle of a 20 sided regular polygon? Who discovered complex numbers in mathematics? What fraction of an hour is 26? Is kilometer bigger than nanometer? How far away is 17.5 from 100? What is the palindrome meaning it brings you round?