If 800\:670=8\times10^x+6\times10^y+7\times10^z , where x,y and z are whole numbers, then x+y+z equals
Answer Choices
A. 11
B. 8
C. 6
D. 3
E. 5
If 800\:670=8\times10^x+6\times10^y+7\times10^z , where x,y and z are whole numbers, then x+y+z equals
Answer Choices
A. 11
B. 8
C. 6
D. 3
E. 5