Question

answer them
answer them ​

Answer 1

Answer:

(a) 3×(-1) = -3

(b)(-1)×225= -225

(c) -21×-30

=21×30

=21×3×10

=63×10

=630

(d) (-316)×(-1)

=316×1

=316

(e) (-15)×0×(-18)=0 (Any number multiplied by 0=0)

(f) (-12)×(-11)×(10)

=(-12)×(-11)×10

=12×11×10

=132×10

=1320

(g) 9×(-3)×(-6)

=9×3×6

=18×9

=162

(h) (-18)×(-5)×(-4)

=(-18)×5×4

=(-18)×20

= -18×2×10

= -36×10

= -360

(i) (-1)×(-2)×(-3)×4

=(1×2)×(-3)×4

=2×(-3)×4

= -(2×3×4)

= -(6×4)

= -24

(j) (-3)×(-6)×(-2)×(-1)

= (3×6)×(2×1)

= 18×2

= 36

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Answer 2

Answer:

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