find the following expression a)-20m to the power 99 +19n to the power 89( if m= -1, n= 1)
b)3c-5x+6cbx if(c= -3,b=1, x= -2)
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Hi ,
1 ) if m = -1 , n = 1 ,
( -20 )m^99 + 19 n^89
= ( -20 ) ( - 1 )^99 + 19 * 1 ^89
= ( -20 )( - 1 ) + 19 * 1
= 20 + 19
= 39
2 ) if c = -3 , b = 1 , x = -2 ,
3c - 5x + 6cbx
= 3 * ( -3 ) - 5 ( -2 ) + 6 * ( -3 ) ( 1 ) ( -2 )
= - 9 + 10 + 36
= 37
I hope this helps you.
:)
1 ) if m = -1 , n = 1 ,
( -20 )m^99 + 19 n^89
= ( -20 ) ( - 1 )^99 + 19 * 1 ^89
= ( -20 )( - 1 ) + 19 * 1
= 20 + 19
= 39
2 ) if c = -3 , b = 1 , x = -2 ,
3c - 5x + 6cbx
= 3 * ( -3 ) - 5 ( -2 ) + 6 * ( -3 ) ( 1 ) ( -2 )
= - 9 + 10 + 36
= 37
I hope this helps you.
:)
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