Have any questions?
[email protected]
English
Vietnamese
French
Spanish
Korean
Japanese
Thai
Chinese
Indonesian
Login
Signup
Contact
Login
Home
Simplification: 25^2.7 × 5^4.2 ÷ 5^5.4 = ?
Question 1:
Simplification: 25^2.7 × 5^4.2 ÷ 5^5.4 = ?
A.
5^4
B.
5^3.2
C.
5^4.1
D.
5^4.2
Feedback
25^2.7 × 5^4.2 ÷ 5^5.4
= 5^5.4 × 5^4.2 ÷ 5^5.4
= 5^5.4 × 5^4.2 ÷ 5^5.4
= 5^5.4 × 5^-1.2
= 5^(5.4 -1.2)
= 5^4.2
These questions are from this test. Would you like to take a practice test?
Practice Surds and Indices Online Test 3 | Englishfreetest.com
20 minutes
10 questions
Do test
Some questions from the same exam
If 4^x + 4^x + 1 = 80, then
the value of x^x is
What is the value of (256)5/4?
If 2^n−1+2^n+1=320 then
n is equal to:
Simplification: 25^2.7 × 5^4.2 ÷ 5^5.4 = ?
If m and n are whole numbers such that m^n = 121,
the value of (m − 1)^n + 1 is:
(27)^2/3=x then 3x is equal to
(64/729)-1/3 =?
The value of (256)^5/4 is:
Find the value of (10)^150÷(10)^146
(0.04)^−1.5 = ?
Some other questions you may be interested in
What village was designated as the official birthplace of Memorial Day by President Lyndon B. Johnson?
In Arlington National Cemetery there is a small memorial which commemorates the veterans of the Secret War. Which war conflict does the term Secret War refer to?
At what time does the National Moment of Remembrance take place on Memorial Day?
What notable memorial war poem was written by Canadian poet and physician Lieutenant Colonel John McCrae?
Known as the Poppy Lady, this U.S. professor and humanitarian conceived the idea of wearing poppies as a symbol of remembrance for those who served in World War I.
Franklin Sousley, Harlon Block, and Michael Strank, who were immortalized in an iconic photo by Joe Rosenthal, were killed during what WWII battle?