Decimal | MCQs

Explanation

Non-terminating repeating decimals can be expressed as fractions, so they are rational numbers.

In contrast, irrational numbers have non-terminating, non-repeating decimal expansions.

Explanation

 1/2 expressed as a decimal fraction is 0.5

**

1/2= 0.5

when 1 is divided by 2 the answer will be 0.5

SH24-8-2023

Explanation

To find the decimal equivalent of the binary number 1011:

(1 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰)

= (1 × 8) + (0 × 4) + (1 × 2) + (1 × 1)

= 8 + 0 + 2 + 1

= 11

Explanation

Deca (symbol: da) is the SI prefix that represents a factor of 10.

It is used to denote ten times the base unit, such as 1 decameter = 10 meters.

Explanation

3.333 is the correct answer.

Explanation

To convert 0.50% to a fraction:

0.50% = 0.50/100

= 0.0050

To simplify:

0.0050 = 5/1000

= 1/200

Explanation

The decimal equivalent of 1/2 is 0.5.

Explanation

The fraction 1/3 equals 0.333... (repeating 3).

2. It is a non-terminating repeating decimal.

Explanation

Given a and b are integers and b ≠ 0:

a/b represents a Rational number.

A rational number is a number that can be expressed as the ratio of two integers, where the denominator is non-zero.

Explanation

Rounding Rule for Two Decimal Places:

Look at the third decimal digit (6 in 3.8461).

If it is 5 or greater, round the second decimal digit up (4 → 5).

If it is less than 5, keep the second decimal digit unchanged.

Step-by-Step Rounding:

Original: 3.8461

Third decimal digit = 6 (≥5), so round the second decimal (4) up to 5.

Result: 3.85