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Mohan works out (−12) × 15 with this area model. Three parts are filled in. What is the product?

Class 7Multiplication of IntegersIntegers

A−180
B180
C−170
D−160

Step-by-Step Solution

The missing part is

(- 2) \times 5 = - 10

. Adding all four parts:

- 100 + (- 50) + (- 20) + (- 10) = - 180

.

Answer: A) −180

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