Question
Question 17
A student is multiplying (4a2)(5a3)
. Identify the student's mistake. (4a2)(5a3)==4a(2+3)4a5
;
Multiple choice question.
cross out
A)
Find the Error run in is in pdf but not in digital
cross out
B)
The students should've multiplied the exponents.
cross out
C)
The student should've multiplied the coefficients and multiplied the exponents.
cross out
D)
The student should've added the coefficients and subtracted the exponents.
A student is multiplying (4a2)(5a3)
. Identify the student's mistake. (4a2)(5a3)==4a(2+3)4a5
;
Multiple choice question.
cross out
A)
Find the Error run in is in pdf but not in digital
cross out
B)
The students should've multiplied the exponents.
cross out
C)
The student should've multiplied the coefficients and multiplied the exponents.
cross out
D)
The student should've added the coefficients and subtracted the exponents.
Answers
GPT-4o mini
The correct answer is:
**C) The student should've multiplied the coefficients and multiplied the exponents.**
The student's mistake was applying incorrect operations to the coefficients and exponents. In the expression \( (4a^2)(5a^3) \), the correct steps are to multiply the coefficients (4 and 5) giving 20, and then to add the exponents of 'a' (2 and 3) giving \( a^{2+3} = a^5 \). The correct result should be \( 20a^5 \).
**C) The student should've multiplied the coefficients and multiplied the exponents.**
The student's mistake was applying incorrect operations to the coefficients and exponents. In the expression \( (4a^2)(5a^3) \), the correct steps are to multiply the coefficients (4 and 5) giving 20, and then to add the exponents of 'a' (2 and 3) giving \( a^{2+3} = a^5 \). The correct result should be \( 20a^5 \).