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To add or subtract numbers in scientific notation you first need to equalise their exponents. Having done that, you carry out the addition or subtraction on the significands and append the common exponent. Then you adjust the exponent so that the significand is between 1 and 10.
For example,
1.234*104 - 2.34*102
(equalise exponents) = 123.4*102 - 2.34*102
(carry out subtraction) = (123.4-2.34)*102 = 121.06*102
(adjust exponent) = 1.2106*104
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How do scientists write very large numbers?
they express the numbers using scientific notation
Why do exponents need to be the same when using scientific notation?
Only if the numbers to be converted into scientific notation are the same otherwise the exponents can vary according to the size the numbers.
Write the number 376000000000 in the scientific notation format as well as the regular format In addition explain any other advantages of using scientific notation?
376000000000 in scientific notation is 3.76 × 1011Standard notation is 376,000,000,000Scientific notation (also called standard form or exponential notation) is a way of writing numbers that accommodates values too large or small to be conveniently written in standard decimal notation.
What is the measurement of 0.000.004.3 m using scientific notation?
0,000,004.3 in Scientific Notation = 4.3E-06 x 106
What is the way of writing very large numbers or small numbers in a short way?
Scientific notation. For example instead of writing 1,234,000,000,000 using scientific notation this number can be written as: 1.234 * 10 12 Conversely, a small number such as 0.0000056 can be written as: 5.6 * 10-6 Hope that helps.
