please help me........
Attachments:
Answers
Answered by
13
Reciprocal of 7/8=8/7
Reciprocal of -2/21= -21/2
Multiply 8/7×(-21/2)
=4×(-3)
= -12
Answered by
1
Answer:
-12
Step-by-step explanation:
Reciprocal of 7/8 = 8/7
Reciprocal of-2/21 = 21/-2 = -21/2( multiplying numerator and denominator by-1)
A/q
(8/7)×-(21/2) = [8×(-21)]/7×2 = 4×(-3) = -12
Similar questions