Question # 1

The logarithm calculate to the base '10' is called

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mantissa

common logarithm

characteristic

natural number

√√2 = ?

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2²

2

2^1/2

2^1/4

According to law of power of power (x3)4 we can simplify.

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x12

x3

x4

x4+3

In√3, 3 is called

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radical

radicand

integer

natural number

0.0000281 can write in scientific notation

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2.81 x 10-5

28.1 x 10-5

0.00281 x 10-3

0.281 x 10-5

√3 is considered a /an

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rational number

irrational number

complex number

integer

√3 is called:

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radical

radicand

rational number

integer

√2+√3 is not radical, because 2 +√3 is

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radical

rational

integer

irrational

1/b√ak is expressed in exponential form as

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a-1/b

a-b/k

a-1/k

a-k/b

The mantissa is always taken as

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positive (+)

negative (-)

±

≠

As per Law of sum of powers, we write am x an as

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am-n

am+n

a1/m-1/n

a 1/m+1/n

We can write 1/10000 in scientific notation as

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1 x 104

1 x 10-4

1 x101/4

1 x 10-1/4

In 45,4 is called

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base

exponent

integer

radical

X3 x Y4 x X-2 x Y-2 we can simplify as

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xy2

x3 y

x y2

x2 y

In the logarithm of number the decimal part is called

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mantissa

characteristic

rational number

real part

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General Math 9th Class English Medium Unit 5 Online Test MCQs With Answers

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