5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5
20 nickles
20•5=1.00
Answer: 18
Step-by-step explanation:
Square root of 81 is 9 because 9*9=81 then 9*2=18
Answer: A
Step-by-step explanation:
8 times because 8 times 8 equals 64
Given:
Consider the expression is:

To find:
The value of the given expression by using the math properties.
Solution:
We have,

It can be written as:

[Commutative property of addition]
[Associative property of addition]


Therefore, the value of the given expression is 23.