Which number below best represents a loss of $82.50?
A.
182.50
B.
-182.50
C.
-82.50
D.
82.50
C. -82.50
On Monday, Amber withdraws $30 from her bank account. This change in account balance can be represented as
.
On Tuesday, Amber makes no changes in her bank account. This change in account balance can be represented as
.
On Wednesday, Amber deposits $3 in her bank account. This change in account balance can be represented as
+. $3
On Monday, Amber withdraws $30 from her bank account. This change in account balance can be represented as
+$3
.
On Tuesday, Amber makes no changes in her bank account. This change in account balance can be represented as
0 (there is no change).
On Monday, Amber withdraws $30 from her bank account. This change in account balance can be represented as
+$3
.
On Tuesday, Amber makes no changes in her bank account. This change in account balance can be represented as
$0
.
On Wednesday, Amber deposits $3 in her bank account. This change in account balance can be represented as
+$3 (the account balance increases by $3).
Which of the following best represents a charge of 0?
The best representation of a charge of 0 is either "no change" or "+$0" because there is no change in the account balance. This could also be represented as "-$0", but typically charges are represented as negative numbers and a negative charge would be a decrease in the account balance.
Which of the following best represents a charge of 0?
A.
an atom with a negative charge
B.
an atom with no charge
C.
an atom with a positive charge