Tag: scientific notation

Question 1

Multiple choice maths square and square root scientific notation use of exponents power of 10

The scientific notation of $923.4$ is

$9.234\times { 10 }^{ -2 }$
$9.234\times { 10 }^{ 3 }$
$9.234\times { 10 }^{ -3 }$

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Answer

$9.234\times { 10 }^{ 2 }$

Question 2

Multiple choice maths square and square root scientific notation use of exponents power of 10

The scientific notation of $0.00036$ is

$3.6\times { 10 }^{ -3 }$
$3.6\times { 10 }^{ 3 }$
$3.6\times { 10 }^{ 4 }$

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Answer

$3.6\times { 10 }^{ -4 }$

Question 3

Multiple choice maths square and square root scientific notation use of exponents power of 10

The decimal form of $2.57\times { 10 }^{ 3 }$ is

$257$
$2570$
$25700$
$257000$

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Answer

Coefficient, Mantissa

Answer

$0.000253$

Answer

$1.01\times 10^5$

Question 4

Multiple choice maths square and square root scientific notation use of exponents power of 10

The decimal form of $3.506\times { 10 }^{ -2 }$ is

$0.03506$
$0.003506$
$35.06$
$350.6$

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Question 5

Multiple choice maths square and square root scientific notation use of exponents power of 10

State the following statement is True or False
$9.954\times 10^4$ can be written as $9954$

True
False

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Question 6

Multiple choice maths square and square root scientific notation use of exponents power of 10

State whether true or false

Charge of an electron is 0.000,000,000,000,000,000,16 coulomb is equal to $1.6\times10^{-19}$ coulomb.

True
False

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Question 7

Multiple choice maths square and square root scientific notation use of exponents power of 10

In scientific notation, the numbers to the left and right to the decimal point are known as __________ and ________ respectively.

Mantissa, Coefficient
Standard form, Scientific form
Scientific form, Standard form

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Question 8

Multiple choice maths square and square root scientific notation use of exponents power of 10

The digit in the ten's place of a two-digit number is three times that in the one's places if the digits are reversed the new number will be 36 less than the original number Find the number

64
52
62
42

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Question 9

Multiple choice maths square and square root scientific notation use of exponents power of 10

Express $2.53\times 10^{-4}$ in standard notation

$2.53$
$0.0000253$
$0.00253$

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Question 10

Multiple choice maths square and square root scientific notation use of exponents power of 10

Convert $62000+39000$ to scietific form.

$1.1\times 10^5$
$1.01\times 10^4$
$1.1\times 10^4$

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Tag: scientific notation

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