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### Grade 7 - Mathematics1.28 Review Test - Real Numbers

 Q 1: 7.0 x 10-1 is the scientific notation form of the fraction ______.Answer: Q 2: For any two integers a+b = b+a, name the property.Associative PropertyInverseIdentityCommutative Property Q 3: Find the least positive whole number with which 1458 should be multiplied so that the product is a perfect square, find the square root of that product.Answer: Q 4: {......-3,-2,-1,0,1,2,3,.........} is called the set of ______.Natural NumbersRational NumbersWhole NumbersIntegers Q 5: For any two natural numbers 'a' and 'b', a*b = b*a; name the property.Distributive PropertyIdentity PropertyCommutative PropertyAssociative Property Q 6: What is the least positive whole number that should be subtracted from 260 to make it a perfect square number?4321 Q 7: What is the additive inverse for an integer a.Answer: Q 8: Multiply 5.0 x 104 and 8.0 x 1034.0 x 1064.0 x 1084.0 x 107 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!