Question

write in decimal form:
700+20+9/100​

Answer 1

Decimal form => 720.09

Given:

700+20+9/100​

To Find:

The decimal form of the given exponent form

Solution:

• The given question is in exponential form. we need to change it to decimal form.

• The place value of a digit always depends upon the place or position of a digit in that numeral.

=> 700+20

7 is in the hundreds place => 7 x 100 = 700

2 is in the tens place => 2 x 10 = 20.

Keep 0 in ones place as there is no number.

• The first digit after the decimal point always represents tenths place, then hundredths place, thousandths place, and so on.

Keep 0 in tenths place as there is no number.

=> 9/100​

=> 0.09

Exponential form => $700+20+0+0+\frac{9}{100}$

Decimal form => 720.09

Answer 2

SOLUTION

TO EXPRESS

In decimal form

$\displaystyle \sf{ \frac{700 + 20 + 9}{100} }$

EVALUATION

PROCESS : 1

$\displaystyle \sf{ \frac{700 + 20 + 9}{100} }$

$\displaystyle \sf{ = \frac{729}{100} }$

$= 7.29$

PROCESS : 2

$\displaystyle \sf{ \frac{700 + 20 + 9}{100} }$

$\displaystyle \sf{ = \frac{700 }{100} + \frac{20}{100} + \frac{9}{100} } \: \: \bigg(\because \: \frac{a + b}{c} = \frac{a}{c} + \frac{b}{c} \bigg)$

$= 7 + 0.20 + 0.09$

$= 7.29$

QUESTION MAY BE LIKE AS BELOW

Express in decimal form

$\displaystyle \sf{700 + 20 + \frac{ 9}{100} }$

Answer

$\displaystyle \sf{700 + 20 + \frac{ 9}{100} }$

$\displaystyle \sf{ = 700 + 20 + 0.09 }$

$= 720.09$

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