Which expression represents the multiplicative inverse of 2/7?
A. -2/7
B. -7/2
C. 7/2
D. 2/7
2 answers
B. -7/2
i think it's 7/2 because 7/2 * 2/7 = 1
A. -2/7
B. -7/2
C. 7/2
D. 2/7
2 answers