# √26 =? for class 7

First look at perfect squares:

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5,880,000,000,000 miles. If a star is 8.7 light-years from the Earth, how far the star is from earth?
- How do you simplify # (x^-4 / y^6)^3 * (x / y)^-4#?
- How do you identify equations as exponential growth, exponential decay, linear growth or linear decay #f(x) = 3 (1/2) ^2#?
- How do you simplify #200^0/400#?
- How do you simplify #2a^3*2a^4# and write it using only positive exponents?

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