Solution - Power equations
3/(2^8*5^7)=1.50000*10^-7
Step by Step Solution
Reformatting the input :
Changes made to your input should not affect the solution:
(1): "^-5" was replaced by "^(-5))". 1 more similar replacement(s)
Step 1 :
1.1 10 = 2•5
(10)-5 = (2•5)(-5) = (2)(-5) • (5)(-5)
Equation at the end of step 1 :
Step 2 :
Raising to a Power :
2.1 21 divided by 25 = 2(1 - 5) = 2(-4) = 1/24
Equation at the end of step 2 :
2))1
———————
(24•55)
Step 3 :
3.1 10 = 2•5
(10)-12 = (2•5)(-12) = (2)(-12) • (5)(-12)
Equation at the end of step 3 :
)))1
———————
(24•55)
Step 4 :
Equation at the end of step 4 :
3 1
————————— ÷ ———————
(212•512) (24•55)
Step 5 :
3 1
Divide ————————— by ———————
(212•512) (24•55)
5.1 Dividing fractions
To divide fractions, write the divison as multiplication by the reciprocal of the divisor :
3 1 3 (24•55) ————————— ÷ ——————— = ————————— • ——————— (212•512) (24•55) (212•512) 1
Dividing exponents :
5.2 24 divided by 212 = 2(4 - 12) = 2(-8) = 1/28
Dividing exponents :
5.3 55 divided by 512 = 5(5 - 12) = 5(-7) = 1/57
Final result :
3
——————— = 1.50000 • 10-7
(28•57)
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