Question

estimate the following according to the general rule: a. 5783-437 b. 3782+8279 c. 738x323

Answer 1

Answer:

5738-437=5346

3782+8279

738*323=238374

Answer 2

Concept:

Product is the mathematical operation which suggests the addition of same number repeatedly for number of times.

Like (m*n) suggests the sum of n for 'm' times or the sum of m for 'n' times.

Given:

Given that,

(a) 5783-437

(b) 3782+8279

(c) 738*323

Find:

The values of the above mathematical operations.

Solution:

Calculating the mathematical operation we get,

(a) 5783 - 437 = 5346

(b) 3782 + 8279 = 12061

(c) 738*323 = 738*300 + 738*20 + 738*3

                   = 221400 + 14760 + 2214

                   = 238374

Hence the values of the given mathematical operations are given by,

(a) 5783 - 437 = 5346

(b) 3782 + 8279 = 12061

(c) 738*323 = 238374

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