Math
posted by Yoda .
3. What makes the statement true? 7^–2 =?
4. Evaluate the expression 6^2 • 4^0?
5. Write 5^2 • 5^1 • 5^3 as a single exponent.
9. What is the solution to (4 × 10^3) × (6 × 10^6), written in scientific notation?
11. Find the product.
1/10 • 4/10

Math 
Yoda
Plz help me

Math 
Steve
7^2 = 1/7^2 = 1/49
6^2 = 1/6^2 = 1/36
4^0 = 1 (as does any number n^0)
6^2 • 4^0 = 1/36 * 1 = 1/36
5^2 • 5^1 • 5^3 = 5^(21+3) = 5^4
(4×10^3)×(6×10^6) = 4×6×10^(3+6) = 24×10^9 = 2.4×10^10
1/10 • 4/10 = 1•4/(10•10) = 4/100 = 1/25 
Math 
Yoda
Thank You so so so much :D

Math 
Steve
My pleasure it is. :)
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