Round, off the following numbers as indicated: 23.35 upto 3 digits

Round, off the following numbers as indicated: 219.67 upto 3 digits

Round, off the following numbers as indicated: 143.45 upto 4 digits

Round, off the following numbers as indicated: 26.325xx10^-4 upto 4 digits

Round the following number to three significant figures. 0.1235

Round the following number to three significant figures. 23000

Round up the following upto three significant figures: i. 34.216 ii. 10.4107 iii. 0.04597 iv. 2808

Write the sequence of all three digit numbers. Which leaves remainder 3 on division by 7? Which is the last term of this sequence?

Find the equation of the circle in following cases. centre (-2,3) and radius 4.

Round off 0.0525 to a number with two significant figures.