Question
If $y = 5$ and $z = 2$, evaluate:
$5y^2$
$5y^2$
✓
Answer
$5y^2$
$= 5 \times y \times y$
$= 5 \times 5 \times 5$
$= 125$
$= 5 \times y \times y$
$= 5 \times 5 \times 5$
$= 125$
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 ratio of the following in simplest form : 64 ml to 1 litre
In the given figure; PQR is a straight line. If: ∠SQR = 75°; find ∠PQS.
If $m = − 8$ and $n = − 2$, evaluate:
$(4n)^2$
→$(4n)^2$
Decrease 275 in the ratio 11 : 7.
Name the angles. Also name the vertex and the arms :
If a = 4 and b = 5 find the value of: $6 a^2-2 a b$
→Write of the following numeral as a decimal : $18 \frac{9}{100}$
→The attendance of a particular class for the six days of a week are as given below:
Draw a suitable graph.
| Day | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| Attendance | 48 | 44 | 40 | 36 | 39 | 43 |
Write down the degree of the polynomial: $z-z^2+3 z^5$
→Simplify: 19 - 9 x 2