Answer:
First one
Step-by-step explanation:
28.3
Step-by-step explanation:
the difference is the answer to a subtraction problem so we can plug in our numbers like this
25.6-(-2.7) which equals 28.3
a good thing to remember when subtracting negative numbers is that a positive and negative won't always make a negative like in this example
Step-by-step explanation:
3/4:2/5=3/4×5/2=15/8
3/8 ÷ 2/12=3/8 ×12/2=36/16=9/4
<span>X^2= 1/100
x = 1/10
Because 1/10 * 1/10 = 1/100
</span>
10y+x²
10(5)+(2)²
10(5)+4
50+4
54
Therefore, the expression has a value of 54.
