# Simplify -9/(2 square root of 45)

Simplify -9/(2 square root of 45)
Simplify the denominator.
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
Multiply by .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Multiply by .
Combine and simplify the denominator.
Multiply and .
Move .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Evaluate the exponent.
Multiply by .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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### Name

Name one billion nine hundred eighty-eight million forty thousand eight hundred nineteen

### Interesting facts

• 1988040819 has 8 divisors, whose sum is 2736228352
• The reverse of 1988040819 is 9180408891
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 48
• Digital Root 3

### Name

Name three hundred ninety-one million seven hundred seventy-two thousand eight hundred nine

### Interesting facts

• 391772809 has 4 divisors, whose sum is 392657616
• The reverse of 391772809 is 908277193
• Previous prime number is 443

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 46
• Digital Root 1

### Name

Name seven hundred fifty million eighty-one thousand one hundred ninety-three

### Interesting facts

• 750081193 has 4 divisors, whose sum is 762377668
• The reverse of 750081193 is 391180057
• Previous prime number is 61

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 34
• Digital Root 7