0.2 x 0.3 is _______.

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Solution

0.2 x 0.3 = 0.06

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Similar questions

Q. A wave

y_{i} = 0.3 c o s (0.2 x - 40 t)

is travelling along a string toward a boundary at

x = 0

. What is the expression for the reflected wave when, the string has a free end at

x = 0

. Assume SI units

A wave $y_{i} = 0.3 c o s (40 t - 0.2 x)$ is travelling along a string toward a boundary at $x = 0$ . What are the expressions for the reflected waves if the string has a fixed end and at $x = 0$ . Assume SI units.

Simplify

(i) ${(\frac{3}{2} x - 0.45 y)}^{2}$

(ii) $(0.3 x - 0.2 y) (0.9 a - 0.02 b)$

(iii) $(0.3 a - 0.2 b) (0.09 a^{2} + 0.06 a b + 0.04 b^{2})$

(iv) ${(0.7)}^{3} + {(0.3)}^{3} + 3 \times 0.7 \times 0.3 (0.7 + 0.3)$

(v) ${(3.5)}^{3} - {(1.5)}^{3} - 3 \times 3.5 \times 1.5 (3.5 - 1.5)$

The probability distribution of x is

$\begin{matrix} x & 0 & 1 & 2 & 3 P (x) & 0.2 & k & k & 2 k \end{matrix}$

Find the value of k

Q. A random variable X takes the values 0, 1, 2, 3 and its mean is 1.3. If P (X = 3) = 2 P (X = 1) and P (X = 2) = 0.3, then P (X = 0) is
(a) 0.1
(b) 0.2
(c) 0.3
(d) 0.4

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