Evaluate 53
125
Solve the following:
1. a4 × a3
2. b6 ÷ b2
3. (y3)6
1. a7
2. b4
3. y18
Simplify
x-7 ÷ x-3
x-4
Scientific notation has the form a × 10m. What are the conditions placed on the values of a and m?
a is a number greater than 1 and less than 10
m is an integer
State the number of significant figures in this number:
508
3 significant figures
Identify the base and index of the following powers:
34
Base: 3
Index: 4
Simplify: 2x7 × 7x3
14x10
Express the following using positive indices.
9ab-3
(9a)/(b3)
Express this number in scientific notation.
13 700 000 000
1.37 × 1010
State the number of significant figures in this number:
0.00019
2 significant figures
Write in a3 expanded form
a × a × a
Simplify: -9z0
-9
Write with a negative index
1/(23)
2-3
Express this number in scientific notation
0.000 000 61
6.1 × 10-7
State the number of significant figures in the number:
3.1500
5 significant figures
Write in expanded form and then evaluate
(-2)6
-2 × -2 × -2 × -2 ×-2 × -2 = 64
Simplify: (6a7b5) ÷ (3a2b4)
2a5b
ab-5c3 is equal to
(ac3)/b5
Express these numbers as basic numerals
8.5 × 104
85 000
Write this number using scientific notation to three significant figures.
0.00034276
3.43 × 10-4
Write the following in index form:
⅘ × ⅓ × ⅓ × ⅘ × ⅓ × ⅘ × ⅘
(⅓)3(⅘)4
Simplify
-3(2a3b4c)2
-12a6b8c2
Express with positive indices
(4a-6)-2
(a12)/16
Express these numbers as basic numerals
9.31 × 10-6
0.000 009 31
Write this number in scientific notation to three significant figures:
2 186 000
2.19 × 106