Question

(9)×(-4)=
option
a. (-4)×(-9) b -36. c +36. d. -63
​

Answer 1

$\sf \huge \pink{ b. - 36}$

$\sf \star \:plus \: and \: minus \:rules \: -$

$- \times + = -$

$+ \times + = +$

$- \times - = +$

$\sf \star \: some \: examples \: -$

$\tt\rightarrow \: - 5 \times - 6 = 30$

$\tt\rightarrow + 5 \times + 6 = 30$

$\tt\rightarrow - 5 \times + 6 = - 30$

Answer 2

(9)×(-4) = - 36

( b -36 is the correct option)