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

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

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

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

Round the following number to three significant figures. 23000

State the number of significant figures in each of the following numbers: (i) 0.003688 (ii) 2.653 xx 10^4 (iii) 653 (iv) 0.368

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

Round off 0.0525 to a number with two significant figures.

Complete the following 32.5 = ___ /10

Add the following quantities to the proper number of significant digits. 4.20+1.6523+0.015