Question

1.Simplify

(a) (-9) x (-5) x (-2) x (7) = __________

(b) (-3) + (-6) - (-2) = ________​

Answer 1

(a) (-9) x (-5) x (-2) x (7) = -630

(b) (-3) + (-6) - (-2) = -7

Always remember, negative × negative is positive sign

Positive × positive = positive sign

Negative× positive = negative sign

In addition, negative+negative = negative sign but add the numbers

negative+ positive = the greater number sign but subtract it

positive+positive = positive sign and add it

Hope so it helped you dear friend