MCQ
If we multiply $5x$ and $(-4xyz),$ then we get:
- ✓$-20x^2yz$
- B$-2xyz$
- C$20x^2yz$
- D$x^2yz$
✓
Answer
Correct option: A.
$-20x^2yz$
A. $-20x^2yz$
Solution:
$(5x) \times (-4xyz)$
$= 5 \times x \times (-4) \times x \times y \times z$
$= -20x^{1+1}yz$
$= -20x^2yz$
Solution:
$(5x) \times (-4xyz)$
$= 5 \times x \times (-4) \times x \times y \times z$
$= -20x^{1+1}yz$
$= -20x^2yz$
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