Evaluate the expression- 4-25-32-

Evaluating the expressionWrite 3^2 as continued multiplication.4·(25·3^2)=4(25)(3)(3)Now, solve the multiplication, it can be done in pairs.4·(25·3^2)=[4·25][3· ...

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Standard VIII

Mathematics

Algebraic Identities

Evaluate the ...

Question

Evaluate the expression: $4 \cdot (25 \cdot 3^{2})$ .

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Solution

Evaluating the expression
Write $3^{2}$ as continued multiplication.
$4 \cdot (25 \cdot 3^{2}) = 4 (25) (3) (3)$
Now, solve the multiplication, it can be done in pairs.
$4 \cdot (25 \cdot 3^{2})$ $= [4 \cdot 25] [3 \cdot 3]$
$= (100) (9) = 900$
Hence, $900$ is the required answer.

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Evaluate the expression: 4·(25·32).

Evaluating the expressionWrite 32 as continued multiplication.4·(25·32)=4(25)(3)(3)Now, solve the multiplication, it can be done in pairs.4·(25·32)=[4·25][3·3] =(100)(9)=900Hence, 900 is the required answer.

Evaluate the expression: $4 \cdot (25 \cdot 3^{2})$ .

Evaluating the expression
Write $3^{2}$ as continued multiplication.
$4 \cdot (25 \cdot 3^{2}) = 4 (25) (3) (3)$
Now, solve the multiplication, it can be done in pairs.
$4 \cdot (25 \cdot 3^{2})$ $= [4 \cdot 25] [3 \cdot 3]$
$= (100) (9) = 900$
Hence, $900$ is the required answer.