Pre-Algebra Examples

Solve for t 4000(1+0.05)^t=10000
Step 1
Add and .
Step 2
Divide each term in by and simplify.
Tap for more steps...
Step 2.1
Divide each term in by .
Step 2.2
Simplify the left side.
Tap for more steps...
Step 2.2.1
Cancel the common factor of .
Tap for more steps...
Step 2.2.1.1
Cancel the common factor.
Step 2.2.1.2
Divide by .
Step 2.3
Simplify the right side.
Tap for more steps...
Step 2.3.1
Cancel the common factor of and .
Tap for more steps...
Step 2.3.1.1
Factor out of .
Step 2.3.1.2
Cancel the common factors.
Tap for more steps...
Step 2.3.1.2.1
Factor out of .
Step 2.3.1.2.2
Cancel the common factor.
Step 2.3.1.2.3
Rewrite the expression.
Step 3
Take the natural logarithm of both sides of the equation to remove the variable from the exponent.
Step 4
Expand by moving outside the logarithm.
Step 5
Divide each term in by and simplify.
Tap for more steps...
Step 5.1
Divide each term in by .
Step 5.2
Simplify the left side.
Tap for more steps...
Step 5.2.1
Cancel the common factor of .
Tap for more steps...
Step 5.2.1.1
Cancel the common factor.
Step 5.2.1.2
Divide by .
Step 6
The result can be shown in multiple forms.
Exact Form:
Decimal Form: