Question

Please answer this question ​

Answer 1

Answer:

40000000+9000000+700090+80000+7/1000+3/100+5/10+6

Answer 2

Answer:

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