GROWTH DEVELOPMENT CHILD
SUMMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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2
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4
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Detailed explanation-1: -Cube root of 64, 3√64 = 4 Since 64 is a two-digit number, we can use here prime factorisation method to find its cube root.
Detailed explanation-2: -The square root of 64 is 8. Important Notes: 64 is a perfect square as the answer obtained after finding the square root is a rational number. The square root of 64 can be simplified to 8 either by using the prime factorization of 64 or by expressing 64 as a square of 8.
Detailed explanation-3: -Example Cube Roots: The 3rd root of 64, or 64 radical 3, or the cube root of 64 is written as 3√64=4.
Detailed explanation-4: -The number-64 has no real square roots. Because 64 is a negative number is does not have any real square roots as both ‘82 and −82 produce 64 as an answer.