Answer: 1.875 is a rational number because it can be represented as a ratio or a fraction.
W+d=869
w=d-81
plug in
(d-81)+d=869
2d-81=869
+81 both sides
2d=950
÷2 both sides
d=475
dryer cost $475
let's check w=475-81
w=394
475+394=869
869=869
the solution is true :)
Answer: 32
Step-by-step explanation:
Answer:
idk refrace your question
Step-by-step explanation:
3.643 x 10^3
move the decimal in between the first and second number
However many times you move the decimal, that is you exponent.
