Math, asked by ayushmohan2006, 8 months ago

please help me........​

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Answers

Answered by mishrausha131
13

Reciprocal of 7/8=8/7

Reciprocal of -2/21= -21/2

Multiply 8/7×(-21/2)

=4×(-3)

= -12

Answered by emma3006
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

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