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# Laws of Exponents Quiz

Test your knowledge about the laws of exponents, also known as powers or indices. Learn how exponents indicate the number of times to use a number in multiplication, and practice simplifying expressions using exponent rules.

Created by
@VibrantIron

Powers

8 to the power 2

1

### What happens to a number when the exponent is negative?

<p>It becomes smaller</p> Signup and view all the answers

### Which of the following is NOT one of the Laws of Exponents?

<p>$x^0 = 0$</p> Signup and view all the answers

### What is the key to understanding the Laws of Exponents?

<p>Writing all the letters down</p> Signup and view all the answers

### When applying the law (xm)n = xmn, how many times do we end up multiplying 'x'?

<p>m × n times</p> Signup and view all the answers

### According to the law (xy)n = xnyn, what does (xy)3 equal to?

<p>xxxyyy</p> Signup and view all the answers

### What is the result of x2/x2 according to the law xm/xn = xm-n?

<p>x0</p> Signup and view all the answers

### In the law xm/n = n√xm = (n√x )m, what does x(mn) equal to?

<p>(xm)1/n</p> Signup and view all the answers

### According to the law (x/y)n = xn/yn, what is the result of (x/y)3?

<p>(xxx)/(yyy)</p> Signup and view all the answers

### What is the value of x1/n where n is a positive integer?

<p>The nth root of x</p> Signup and view all the answers

### When simplifying x(mn) using the law x(mn) = x(m × 1/n), what is the result?

<p>(xm)1/n</p> Signup and view all the answers

## Study Notes

### Exponents

• Exponents are also known as indices or powers.

### Exponent Notation

• The notation 82 means 8 raised to the power of 2, or 8 squared.
• Any number raised to the power of 0 equals 1.

### Negative Exponents

• When a number has a negative exponent, it becomes a reciprocal (i.e., 1 divided by the number).

### Laws of Exponents

• The key to understanding the Laws of Exponents is to recognize that exponents are a shorthand for repeated multiplication.
• One of the Laws of Exponents is not "x^m × x^n = x^(m+n+c)", where c is a constant.

### Power of a Power

• When applying the law (xm)n = xmn, we end up multiplying 'x' mn times.

### Product of Powers

• According to the law (xy)n = xnyn, (xy)3 equals to x3y3.

### Quotient of Powers

• The result of x2/x2 according to the law xm/xn = xm-n is 1 (since 2-2 = 0).

### Power of a Product

• In the law xm/n = n√xm = (n√x)m, x(mn) equals to (n√x)m.
• According to the law (x/y)n = xn/yn, the result of (x/y)3 is x3/y3.

### Fractional Exponents

• The value of x1/n, where n is a positive integer, is the nth root of x.

### Simplifying Exponents

• When simplifying x(mn) using the law x(mn) = x(m × 1/n), the result is x(m/n).

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