French Newton
02/18/2024 · Junior High School
7. Migher Order Thinking James says thet he used grouping symbols to find four equal values for \( 2^{3}+3 \times 9-4^{2} \). He wrote these expressions: \( 2^{3}+3 \times 9-4^{2} \) \( \left(2^{3}+3\right) \times 9-4^{2} \) \( 2^{3}+3 \times(9-4)^{2} \) \( 2^{3}+\left(3 \times 9-4^{2}\right) \) Do you agree with James? Explain.
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James is not correct. Only the original expression and the third expression yield the same value (19), while the first and second expressions yield a different value (83).
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