Simplify each of the following: `(7. 83\ xx\ 7. 83-1. 17\ xx\ 1. 17)/(6. 66)`

Simplify each of the following: (7.83x7.83-1.17x1.17)/(6.66)

Simplify the following: (-6)^7 xx (1/3)^8

Name the property under multiplication used in each of the following: -13/7 xx -2/7 = -2/7 xx -13/17

Simplify the following 6^(1//2)xx7^(1//2)

Simplify: 17 xx 109

Simplify the following using BODMAS. 6 xx (-7) + (-3) div 3

3/7 xx 7/17

Name the property under multiplication used in each of the following. (i) (-4)/5 xx 1 = 1 xx (-4)/5 (ii) (13)/(17) xx (-2)/7 = (-2)/7 xx (-13)/(17) (iii) (-19)/(29) xx (29)/(-19) =