tjuicy1 tjuicy1
  • 04-02-2019
  • Mathematics
contestada

Determine the difference: 3.2 × 1010 – 1.1 × 1010. Write your answer in scientific notation.

Respuesta :

carlosego
carlosego carlosego
  • 04-02-2019

Answer: [tex]2.1*10^{10}[/tex]


Step-by-step explanation:

1. Both number are written in scientific notation, because both have the following form:

[tex]a*10^{b}[/tex]

Where a is a number between 1 and 10 (but not including 10) and the exponent b is an integer.

2. Both have the same exponent, therefore, you can subtract 3.2 and 1.1 and write [tex]10^{10}[/tex] again, as you can see below:

[tex]3.2*10^{10}-1.1*10^{10} =2.1*10^{10}[/tex]


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