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Exponents and Powers

Short Answer Type

51.

Express the number appearing in the following statement in standard form.

1 micron is equal to $1 over 1000000$ m.

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52.

Express the number appearing in the following statement in standard form.

Charge of an electron is 0.000,000,000,000,000,000, 16 coulomb.

121 Views

53.

Express the number appearing in the following statement in standard form.

Size of a bacteria is 0.0000005 m

285 Views

54.

Express the number appearing in the following statement in standard form.

Size of a plant cell is 0.00001275 m

93 Views

55.

Express the number appearing in the following statement in standard form.

Thickness of a thick paper is 0.07 mm.

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56.

In a stack there are 5 books each of thickness 20 mm and 5 paper sheets each of thickness 0.016 mm. What is the total thickness of the stack?

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57.
Write each of the following in standard form:
(i) 1,50,000,000,000 (ii) 0.000007

(iii) 0.0016 (iv) 0.00001278

(i) $1.5 space cross times space 10 to the power of 11$ (ii) $7 space cross times space 10 to the power of negative 6 end exponent$

(iii) $1.6 space cross times space 10 to the power of negative 3 end exponent$ (iv) $<pre>uncaught exception: mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56 #0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array) #1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php(56): mkdir('/home/config_ad...', 493) #2 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.class.php(110): com_wiris_util_sys_Store->mkdirs() #3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/RenderImpl.class.php(231): com_wiris_plugin_impl_FolderTreeStorageAndCache->codeDigest('mml=<math xmlns...') #4 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(59): com_wiris_plugin_impl_RenderImpl->computeDigest(NULL, Array) #5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array) #6 {main}</pre>$

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58.

The distance of the sun from the earth is 1,49,600,000,000 m. Express it in a standard form.

75 Views

59.

Express the following numbers in standard form:

(i) 0.00035 (ii) 4050000

462 Views

60.

Express the following numbers in usual form:

(i) $3.52 space cross times space 10 to the power of 5$ (ii) $7.54 space cross times space 10 to the power of negative 5 end exponent$ (iii) $3 space cross times space 10 to the power of negative 5 end exponent$