How do you answer page 66 in nelson mathematics 5?

How many pre 64 quarters make 1 oz of actual silver? What 3d shape has no edges? What is the scientific notation for 0.0005800? What are the rules rounding to the nearest million? What is the prime factorization of 45 in exponent form? Is the word discovered an adverb? How many syllables in 'lambs jumping in the fields'? What is 4.53 rounded to nearest ten? Why is the lines are laid out as they are in sixteen steps to the ice house? How many gallons do you need to fill up a 500 gallon propane tank to 60 percent? Twenty one is 12 percent of what number? What shape has 1 side and no corners? Convert 5 050 into scientific notation? What is the number for gold rings? What is 96divided by6 using multiplication and distributed property to find the quotient? Is it possible to have a rectangle that has a greater area than other rectangles? How do you find the width of a figure when given the leanth and the area? 288 markers in 12 boxes? Which method shows the two triangles are congruent sss sas asa AAA? Find the critical value for c0.99 and n10?