ACT Math · Number operations and exponents
What is the value of -2² + 3(-1)³?
What is the value of ?
Answer and explanation
Answer: F: -7
Follow the order of operations: exponents come before multiplication, and the negative sign in is not squared, because the exponent applies only to . So . Next, , so . Then , choice F. Choice G () treats as and keeps , giving . Choice H () squares the negative and also changes the sign of the second term, . Choice J () uses , a sign error on the second term.
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