Answer :

Simplifying the expression gives 2. 7 × 10^ -13. Option D

What is BODMAS?

BODMAS is a mathematical acronym and it stands for;

  • Bracket
  • Order
  • Division
  • Multiplication
  • Addition
  • Subtraction

The expression given is;

(9 x 10−13) − (6.3 x 10−15)

Let's work the expression in the bracket.

Making the expressions to have same exponent = 6. 300 × 10 ^-13

Put into the expression

0. 09 × 10 ^-15 - 6.300 x 10−15

This can be written as;

(9 - 6. 300) × 10^-13

Subtract the values

2. 7 × 10^ -13

Thus, simplifying the expression gives 2. 7 × 10^ -13. Option D

Learn more about BODMAS here:

https://brainly.com/question/16788360

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