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Why are binary and decimal called positional numbering system?
Because they depend on the place value of numbers. For example, 101 = 1*b2 + 0*b + 1 where b is the base (2 or 10). There are only b different symbols or digits. Numbers that are greater than or equal to the base are displayed using the positional notation.
How do you add and subtract numbers using scientific notation?
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
What is 800000000 m in scientific notation?
800000000 m = 8×10^8 m Changing units, it is also 8×10^5 km.
What is the for this problemgive the exponential notation and standard notation for 2x2x2x2x2?
The exponential notation and standard notation for 2x2x2x2x2 is:2532
What is the decimal conversion of the binary number 111?
To convert the binary number 111 to decimal, you can use the positional notation method. The binary number 111 represents the sum of 2^2 + 2^1 + 2^0, which equals 4 + 2 + 1. Therefore, the decimal conversion of the binary number 111 is 7.
