Question
If $m = − 8$ and$ n = − 2$, evaluate:
$3m^2n$
$3m^2n$
✓
Answer
$3m^2n$
$= 3 \times m \times m \times n$
$= 3 \times 64 \times (− 2)$
$= − 384$
$= 3 \times m \times m \times n$
$= 3 \times 64 \times (− 2)$
$= − 384$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Find the value of x in the following proportion : $36: 81:: x: 63$
→Estimate the sum of the pair of numbers to the nearest hundred:
336 and 782
336 and 782
The figure given below shows a pair of parallel lines cut by a transversal for the following case, find a and b, giving reason.
12 x (9 – 6) = _______ = ________
12 x 9 – 12 x 6 = ________ = _________
Is 12 x (9 – 6) = 12 x 9 – 12 x 6 ? _______
Is this type of result always true ? ______
Name the property used here _______
12 x 9 – 12 x 6 = ________ = _________
Is 12 x (9 – 6) = 12 x 9 – 12 x 6 ? _______
Is this type of result always true ? ______
Name the property used here _______
Write of the following numeral as a decimal : $4 \frac{37}{1000}$
→Use a number line to evaluate the following:
(+ 4) + (-2)
(+ 4) + (-2)
Write an equivalent fraction of : $\frac{3}{7}$ with denominator 63
→Write the complement angle of: $\frac{2}{5}$ of $70^{\circ}$
→Find the area of a square, whose side is: 4.5 cm.
Find the ratio of the following in simplest form : 18 mm to 3 cm