Question

8.
Find the value of (5-1 - 6-1)-7.
(A) 30
(B) 60
(C) 20
(D) 1​

Answer 1

Answer:


refers
to
t he
numbering
system
in
common
use.
Take
a
number
like
475,
base
ten
refers
to
the


position,
the
5
is
in
the
one's
place,
the
7
is
in
the
ten's
place
and
the
4
is
in
the
hundred's place

Step-by-step explanation: