MEDIUM
8th CBSE
IMPORTANT
Earn 100

The associative property does not hold good for multiplication of rational numbers.

50% studentsanswered this correctly

Important Questions on Worksheet 1

MEDIUM
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
Subtraction is not associative for rational numbers.
EASY
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
The laws of exponents are true only for positive integral powers.
EASY
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
123=1728
EASY
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
Every decimal number has three parts.
HARD
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
A perfect square with n-digits has a square root of n+12 digits, if n is even.
EASY
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
Decoding means breaking the code.
EASY
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 1
Numbers cannot be used to send a message in the coded form.
EASY
8th CBSE
IMPORTANT
Math Sight book>Chapter 17 - Worksheet 1>Worksheet 1>Q 2
_____ is the additive identity and 1 is the multiplicative identity for rational numbers.