Name the property under multiplication used in each of the following: `-4/5 xx1=1 xx -4/5`

Name the property under multiplication used in each of the following: -19/29 xx 29/-19 =1

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

Find the multiplicative inverse of the following: 1/5

Find the multiplicative inverse of the following: -1 xx -2/5

Find the multiplicative inverse of the following: -5/8 xx -3/7

State the property that is used in each of the following statements: If lfloor4 + lfloor5 = 180^o , then a | | b

State the property that is used in each of the following statements: If a||b, lfoor1=lfloor5

Find the decimal values of the following: (1)/(5xx2)

In the group {1,2,3,4,5,6} under multiplication mod 7,2^(-1) xx 4=

Simplify and express each of the following in exponential form: ((5^2)^3xx5^4)-:5^7