Find `(4.987xx4.987-3.013xx3.013)/(4.987-3.013)`

Find the value of 2120032199722.100.6299.42 Simplify 5682xx5682-3432xx3432235682+3432.987xx4.987-3.013xx3.0134.9873.013

Multiply : 0.013 xx 13. 01

Find the value of ((243)^(0.13) xx (243)^(0.07))/((7)^(0.25) xx (49)^(0.075) xx (343)^(0.2))

10.Using suitable identity prove that: qquad ((0.87)^(3)+(0.13)^(3))/((0.87)^(2)-(0.87times0.13)+(0.13)^(2))=1

The value of ((0.013)^(3)+(0.007)^(3))/((0.013)^(2)-0.013xx0.007+(0.007)^(2)) is (0.013)^(2)-0.013xx0.0091(d)0.00185

Write (a) 9.87 xx 10^(9), (b) 4.134 xx 10^(-4) and (c) 1.432 xx 10^(-9) in decimal form.

The value of ((0. 013)^3+\ (0. 007)^3)/((0. 013)^2-\ 0. 013\ xx\ 0. 007+(0. 007)^2) is (a) 0. 006 (b) 0. 02 (c) 0. 0091 (d) 0. 00185