The approximate value of $3^{2.001}$,given that $\log 3 = 1.0986$,is

The approximate value of the function $f(x) = x^{3} + 5x^{2} - 7x + 10$ at $x = 1.1$ is (in $.6$)

The approximate value of $\cos(30^{\circ} 30^{\prime})$ is,given that $1^{\circ} = 0.0175 \text{ rad}$ and $\cos 30^{\circ} = 0.8660$.

Find the approximate value of $(0.0037)^{\frac{1}{2}}$.

The semi-vertical angle of a cone is $45^{\circ}$. If the height of the cone is $20.025 \ cm$,then the approximate value of its lateral surface area (in sq. $cm$) is

If an error of $0.02 \text{ cm}^2$ is found in the surface area of a sphere when its radius is measured as $10 \text{ cm}$, then the approximate error that occurs in the volume of the sphere, in cubic centimetres, is