Decimal | MCQs

Explanation

Terminating Decimal Definition:

A decimal that ends after a finite number of digits (e.g., 0.5, 0.75).

0.125: Terminates after 3 digits.

Explanation

To convert the decimal number 139 to binary:

139 ÷ 2 = 69 remainder 1

69 ÷ 2 = 34 remainder 1

34 ÷ 2 = 17 remainder 0

17 ÷ 2 = 8 remainder 1

8 ÷ 2 = 4 remainder 0

4 ÷ 2 = 2 remainder 0

2 ÷ 2 = 1 remainder 0

1 ÷ 2 = 0 remainder 1

Reading the remainders from bottom to top:

10001011

Explanation

Total = 0.98 + 45.102 + 32.3333 + 31 + 0.00009 = 109.41539

Explanation

To convert a percentage to decimal, divide by 100: 40 ÷ 100 = 0.4.

Explanation

Multiplying $$0.003 times 0.02 = 0.00006

Explanation

Multiplying 0.04 × 0.0162 × 0.001 gives 0.000000648.

Explanation

1.8 x 1.5 = 27

Explanation

 0.00006 is the correct answer.

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Explanation

.008 x .008 = .000064

Explanation

0.8

-0.3

0.5

---------

1.0

****

0.8-0.3+0.5=1