Anything between the decimal and last non-zero digit
so 00025 are significant
the 0 in front is insignificant because it could be
00000.00025
zeroes after the 25 don't matter becasue it could be
0.000250000000 and it wouldn't change
the sig figs are 00025
4.(14-3) + 12
4.11 + 12
44 + 12
56
Yes they are right. 2+784
-1/12 - (-11/12) would change into -1/12 + 11/12 because a double negative (bold print) would become a positive. The answer to the new problem would be 10/12 or 5/6 (depending on if it says to simplify).
Answer:
Let Marshall's salary be
S
m
Let Jim's salary be
S
j
Let the count in years be
n
S
m
=
$
36000
+
4000
n
S
j
=
$
51000
+
1500
n
Set
S
m
=
S
j
For convenience lets drop the $ symbol
⇒
36000
+
4000
n
=
51000
+
1500
n
Subtract
1500
n
and
36000
from both sides
4000
n
−
1500
n
=
51000
−
36000
2500
n
=
15000
Divide both sides by 2500
n
=
15000
2500
=
150
25
=
6
Step-by-step explanation:
