Find the products : (a) 27.34 × 6; (b) 4.23 × 3.7: Class 7

Find the products : (a) 27.34 × 6; (b) 4.23 × 3.7: Class 7

Question 1.

Find the products : Class 7

(a) 27.34 × 6

(b) 4.23 × 3.7

(c) 0.432 × 0.23

Solution:

(a) 27.34 × 6 = [latex]\frac{2734 \times 6}{100}[/latex] = 164.04

(b) 4.23 × 3.7 = [latex]\frac {423}{100}[/latex] × [latex]\frac {37}{10}[/latex] = [latex]\frac {15657}{1000}[/latex] = 15.651

(c) 0.432 × 0.23 = [latex]\frac {432}{1000}[/latex] × [latex]\frac {23}{100}[/latex]

= [latex]\frac {9936}{100000}[/latex] = 0.09936

Question 2.

Thejus needs 1.65 m of cloth for a shirt. How many metres of cloth are needed for 3 shirts? Class 7

Solution:

Cloth needed for 3 shirts = 3 × 1.65 m = 4.95 m.