How do you find out if 1546 base 7 is base 7 numeral?

What has 3 feet and nothing else? What fraction is between 0 and 1 and 2? What is the prime factorization for 72 using whole numbers and using exponents with whole numbers? What does placed mean on a report card? What is the square root of 140? At a local theatre adult tickets cost 8 and student tickets cost 5 at a recent show 500 were sold for a total of 3475 how many adult tickets were sold? What do you mean by eternal value? Which point represents 0.125? What is midbrain to pons ratio greater than .52? What is 3 percent 0f 2600? In general how would you describe the translation that occurs when the value of b is varied in the equation of y equals a x plus b? What is a third percent of 100? Why can't the denominator of the rational number A over B equal 0.? What is effective length factor? How many angeles quadrilateral? How do you write one hundred nine ten-thousandths in standard form? How do you do simple interest? A triangular prism-shaped fish tank's base has an area of 116 squared ft and the tank is 30 ft tall How much water would the tank contain when it is full? What is the maximum amount of scholarship money you can get? What does the expression to turn one's back to the world mean?