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A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
Tell what property allows you to compute 1/3 × (6 × 4/5) as (1/3 × 6) × 4/3
Solution:
A rational number is a number that is of the form p/q where p and q are integers and q is not equal to 0.
According to the associative property of multiplication,
(a × b) × c = a × (b × c)
Thus, by using the associativity of multiplication we see that,
1/3 × (6 × 4/5) = (1/3 × 6) × 4/3
Hence, the associative property of multiplication has been used in the given expression.
☛ Check: NCERT Solutions for Class 8 Maths Chapter 1
Video Solution:
Tell what property allows you to compute 1/3 × (6 × 4/5) as (1/3 × 6) × 4/3?
NCERT Solutions Class 8 Maths Chapter 1 Exercise 1.1 Question 7
Summary:
The property of associativity of multiplication allows you to compute 1/3 × (6 × 4/5) as (1/3 × 6) × 4/3.
☛ Related Questions:
- Is 8/9 the multiplicative inverse of -1 (1/8)? Why or why not?
- Is 0.3 the multiplicative inverse of 3 (1/3)? Why or why not?
- Write. (i) The rational number that does not have a reciprocal. (ii) The rational numbers that are equal to their reciprocals. (iii) The rational number that is equal to its negative.
- Fill in the blanks. (i) Zero has ________ reciprocal. (ii) The numbers ________ and ________ are their own reciprocals (iii) The reciprocal of -5 is ________. (iv) Reciprocal of 1/x, where x ≠ 0 is ________. (v) The product of two rational numbers is always a _______. (vi) The reciprocal of a positive rational number is ________.
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