Question

If the measurement 23450 is to be rounded off to three
significant figures, then it should be written as
23500
234
235
34x 104​

Answer 1

Given :- If the measurement 23450 is to be rounded off to three significant figures, then it should be written as

A) 23500

B) 234

C) 235

D) None

Answer :-

→ Given number = 23450 = 2, 3, 4, 5, 0 = 5 digit number.

now in order to round off a five digit number to three significant figures , we have to round of it to hundred .

so,

→ In 23450 = Ten's digit ie = 5 .

then,

→ 23450 round off to hundred is = 23500 .

therefore, the rounded off 23450 to three significant figures is 23500 .

Note :- if number was given as 23.450 .

then,

→ 23.450 = hundredth digit 5 => round off to three significant figures = 23.5 .

Learn more :-

(3) निम्न के स्थानीय मान लिखिये-

(अ)43.24

(स)884.20

(ब) 534.34

(द) 178.34

https://brainly.in/question/37666224

Answer 2

Given:

If the measurement 23450 is to be rounded off to three significant figures, then it should be written as?

Solution:

• 23450 is to be rounded off to three significant figures = 23500

• The place value of hundreds place is 4.

• The right-side number of the hundreds place is 5. so round up the value of 4.

• Add 1 to the number 4 which becomes 5 then keep zeros in tens and one's place.

• Now, the number will be 23500.

• 23500 has 3 significant figures. 2, 3, and 5 digits are significant.

Hence, the required answer is 23500