Question

Fill in the blanks below in order to justify whether or not the mapping shown

represents a function.
Set A
Set B
4.
5
9
→ 2
-1
-3

Answer 1

Explanation:

How to write numbers in standard form:

Write the first number 8.

Add a decimal point after it: 8.

Now count the number of digits after 8. There are 13 digits.

So, in standard form: 81 900 000 000 000 is 8.19 × 10¹³