2021/22 S3 Ex.1E Ch. 1 Revision Exercise

2021/22 S3 Ex.1E Ch. 1 Revision Exercise

by LHK

Multiple Choice

What is the correct law for multiplication?

a^m x aⁿ =

• a^m+n
• a^m + aⁿ
• a^mxn
• a^mn

Multiple Choice

What is the correct law for division?

a^m ÷ aⁿ =

• a^m-n
• a^m - aⁿ
• a^m÷n
• a^m/n

Multiple Choice

What is the correct law for powers of powers?

(a^m)ⁿ =

• a^mxn
• a^m+n
• a^m x aⁿ
• a^men

Multiple Choice

What is the correct law for powers of powers?

a^-m=

• a^mxn
• a^m+n
• a^m x aⁿ
• $$\frac{1}{a^m}$$  

Multiple Choice

Simplify: 3⁵ x 3⁷

• 3¹²
• 9¹²
• 3³⁵
• 9³⁵

Multiple Choice

Simplify: f⁰

• 1
• f
• f¹
• 0

Multiple Choice

Simplify: 3x³ × 6x⁸

• 18x¹¹
• 18x²⁴
• 9x¹¹
• 9x²⁴

Multiple Choice

Simplify: 4x²y × 9xy²

• 36x³y³
• 36xy³
• 13x²y²
• 13x³y³

Multiple Choice

Simplify: 64x¹⁶y¹² ÷ 4x⁸y³

• 16x⁸y⁹
• 16x²y⁴
• 60x⁸y⁹
• 60x²y⁴

Multiple Choice

Simplify: (3a²b)² × (2ab)³

• 72a⁷b⁵
• 6a⁷b⁵
• 36a⁵b⁴
• 18a⁴b²

Multiple Choice

Simplify: (3x)² × (2x³y)² ÷ 6y³

• 6x⁸y^-1
• 6x⁸y
• 3x⁷y
• 3x⁷y^-1

Multiple Choice

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Multiple Choice

Convert to scientific notation:
520,000,000  

• 52 x 10⁷
• 5.2 x 10⁷
• 5.2 x 10⁸
• 0.52 x 10⁹

Multiple Choice

Convert to standard notation:
2.4 x 10^-3 

• 2400
• 0.24
• 0.024
• 0.0024

Multiple Choice

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰
• 3 x 10⁴
• 3 x 10^-4
• 3 x 10^-11

Multiple Choice

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵
• 1.1 x 10¹⁰
• 1.10 x 10¹¹
• 1.1 x 10 ⁶

Multiple Choice

What is 12 in binary?

• 1010

• 1100

• 1110

• 0111

Multiple Choice

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Multiple Choice

Convert the Hex number B9 to binary.

• 10111001
• 10111000
• 10111101
• 10101001

Multiple Choice

Convert the binary number 11000011 to Hex

• 11

• A2

• C3

• D4

Multiple Choice

Convert the binary number 11010110 to Hex

• A3
• B4
• C5
• D6