Exponent Basics
What is the base in 74
7
Simplify (x2)3
x6
Evaluate 80
1
A student writes a3 x a2 =a6. What is the mistake, correct it?
They multiplied instead of adding the exponents. Correct: a5
Which is greater: 25 or 52
25=32
Evaluate 33
27
Simplify (3x)2
9x2
Rewrite x-4 using only positive exponents.
1/x4
A student writes (x4)2=x6. What is the mistake, correct it?
They added instead of multiplying the exponents. Correct: x8
Simplify 4x+3x
7x
Simplify (x4) (x)3
x7
Simplify (2a3)2
4a6
Simplify 53 x 5-1 as a single power.
52
A student writes 30=0. What is the mistake, correct it?
Any non-zero number raised to the power of zero equals 1
Find the missing exponent: 2? x 23 =29
? = 6
Simplify a9 ÷ a4
a5
Simplify [(x4)3] ÷ x5
x7
Simplify 6x-2 ÷ 3x3 using positive exponents.
2/x5
A student writes (2x3)2=2x6. What is the mistake, correct it?
They forgot to square the coefficient. Correct:4x6
Simplify 5x+3y-2x+4y
3x+7y
Simplify [(27) (23)] ÷ 25
25
Simplify [(3x2y3)2] ÷ 9xy2
x3y4
Simplify SEE BOARD using positive exponents.
y5/x2
A student writes x3 ÷ x7=x4. What is the mistake, correct it?
They subtracted in the wrong order. Correct: x-4 or 1/x4
Simplify 3x2+5x-2x2+4x
x2+9x