Calculate and correct to two significant figures, the per...
Calculate and correct to two significant figures, the percentage error in approximating 0.375 to 0.4
2.0
2.5
6.6
6.7
Correct answer is D
Measured value = 0.375
Approximation = 0.4
Error = 0.4 - 0.375 = 0.025
Error% = \(\frac{0.025}{0.375}\) x 100% = 6.67% = 6.7%
Find the equation of the perpendicular at the point (4,3) to the line y + 2x = 5 ...
Express 123456 to 3 significant figures ...
A sector of a circle radius 14 cm subtends an angle 135° at the center of the circle. What is th...
Find the principal which amounts to N5,500 at a simple interest in 5 years at 2% per annum. ...
Find the product of 0.0409 and 0.0021 leaving your answer in the standard form ...