Tag: numbers and place value

Questions Related to numbers and place value

The distance of the earth from the sun is 149,000,000 km. In scientific notation the distance is:

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$\displaystyle 149\times 10^{6}$ km
$\displaystyle 14.9\times 10^{7}$ km
$\displaystyle 1.49\times 10^{8}$ km
$\displaystyle 0.149\times 10^{9}$ km

Solve:

$ \displaystyle 9^{\dfrac{3}{2}\div (243)^{-\dfrac{2}{3}}} $ simplifies to

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$ \displaystyle 3^{\dfrac{10}{3}} $
${{3}^{{{3}^{\dfrac{13}{3}}}}} $
$ \displaystyle 3^{\dfrac{1}{3}} $
$ \displaystyle 3^{19} $

The standard form of $0.000000000000487$ is ______

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$\displaystyle 4\cdot 87\times 10^{-13}$
$\displaystyle 4\cdot 87\times 10^{-14}$
$\displaystyle 4\cdot 87\times 10^{-15}$
$\displaystyle 4\cdot 87\times 10^{-12}$

The standard form of $8,60,00,00,00,00,000$ is

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$\displaystyle 8\cdot 6\times 10^{13}$
$\displaystyle 8\cdot 6\times 10^{-13}$
$\displaystyle 8\cdot 6\times 10^{12}$
$\displaystyle 8\cdot 6\times 10^{14}$

A number is said to be in the standard form when it is written as $\displaystyle k\times 10^{n}$ where $n$ is an integer and:

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$\displaystyle 1< k< 10$
$\displaystyle 1< k\leqslant 10$
$\displaystyle 1\leqslant k< 10$
$\displaystyle 1\leqslant k\leqslant 10$

The usual form of $\displaystyle 5\times 10^{-8}$ is

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$0.000005$
$0.00000005$
$0.0000005$
$0.000000005$

The usual form of $\displaystyle 4\cdot 56\times 10^{-5}$ is:

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$0.0000456$
$0.00000456$
$0.000456$
$456000$

If $0.00044=$$\displaystyle 4\cdot 4\times 10^{n}$ then, find the value of $ n$.

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$4$
$5$
$-4$
$-5$

Find the value of $n$ such that $502000000=$$\displaystyle 5\cdot 02\times 10^{n}$.

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$5$
$7$
$-8$
$8$

The standard form of $\displaystyle \frac{1}{10000000}$ is:

maths numbers and place value many forms of ten thousand standard form of numbers number names, numerals and place values

$\displaystyle 1\times 10^{-7}$
$\displaystyle 0\cdot 1\times 10^{-7}$
$\displaystyle 1\times 10^{7}$
$\displaystyle 1\times 10^{-6}$

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