Question

1.find the value of 15+ (-7).
2.find the value of (-8)×4.​

Answer 1

Answer:

$1. \: \: 15 + ( - 7)$

$15 - 7$

$8$

Ans. 8

$2. \: \: ( - 8) \times 4$

$- 32$

Ans. -32

Hope it helps.

Answer 2

Answer:

1. 8

2. -32

Step-by-step explanation:

1. 15+(-7)= (+ - = -)

15-7= 8

2. (-8)×4

(open the bracket)

-8×4= -(8×4) = -(32)= -32