NYSTCE Math (246) Exam Questions and Answers 100% Accurate

place value - ANSWER-The value of a digit based on its position within a number 100.001 - ANSWER-hundreds, tens, ones, tenths, hundredths, thousandaths scientific notation- decimal notation - ANSWER-Positive exponent means you move decimal to the right adding more zeroes Negative exponent decimal moves to the left making number smaller Dividing with decimals - ANSWER-Move the point to the right to make the divisor a whole number. Move the decimal the same amount of spaces to the right in the dividend Multiplying Decimals - ANSWER-1. Multiple numbers as if whole numbers. 2. Then count total number of decimal places in the factors and add them (Ex: 2.2 and 2.33 has three total decimal places) 3. Add the total number of Decimal places to product, counting left to right (Ex: 22*233 = 5126 --> 5.126 final answer) prime number - ANSWER-A whole number that has exactly two factors, 1 and itself. composite number - ANSWER-A number with more than two factors Divisibility - ANSWER-The ability for one number to be divided by another number without a remainder. Factors - ANSWER-Numbers that are multiplied together to get a product LCM - ANSWER-Least Common Multiple GCF - ANSWER-Greatest Common Factor Adding and Subtracting Fractions - ANSWER-The denomination has to be the same. If it is different find the lowest common multiple of the denominators. 5/6 - 3/4 =5/6 x 2/2 - 3/4 x 3/3 = 10/12 - 9/12 = 1/12. multiplying fractions - ANSWER-To multiply fractions, multiply the numerators and multiply the denominators Dividing Fractions - ANSWER-keep change flip.