Answer:
Real numbers are "closed" under multiplication
Irrational numbers are "not closed" under division
Integers are "closed" under subtraction
Positive ration numbers are "closed"
Hope this helps! :)
Answer:
1. $1.19
2. $2.25
3. $8.40
4. $120
5. $2.10
Step-by-step explanation:
Multiply the money by the sales tax. Calculators help.
Hundredth: 142
Hundred: 100
Ten: 140
Tenth: 142<span />
Answer:
x = 1/4
Step-by-step explanation:
16 = 2 can be written as 
= 2
(
)^x = 2^1
if bases are the same we can create this equation: 4x = 1
x = 1/4
Answer:
2)16.5
Step-by-step explanation:
step1:v/2.2 -0.1=7.4
add 0.1 on both sides
step2:v/2.2=7.5
multiply by 2.2 on both sides
step3:v=16.5
