" Find "(1.02)^(2)-(0.98)^(2)

Using a^(2)-b^(2)=(a+b)(a-b), find (i)51^(2)-49^(2) (ii) (1.02)^(2)-(0.98)^(2) (iii) 153^(2)-147^(2) (iv) 12.1^(2)-7.9^(2)

By using the a^(2)-b^(2), find the value of (1.02)^(2)-(.98)^(2).

Find the value of (1.02)^(3//2) - (0.98)^(3//2) correct to 6 decimals .

Find the value of (1.02)^(3//2) - (0.98)^(3//2) correct to 6 decimals .

Using a^2-b^2=(a+b) (a-b), find (i) 51^2-49^2 (ii) (1.02)^2 - (0.98)^2 (iii) 153^2 - 147^2 (iv) 12.1^2 - 7.9^2

The value of (1.02)^(4)+(0.98)^(4) correct to three decimal places is

The approximate value of sqrt((1.97)^(2)+(4.02)^(2)+(3.98)^(2))

Find the value of (?) in following approximation questions: ? % of 2130= sqrt((24.02)^2 + (17.98)^2)+60.01% of 659.98