What is 5.27 × 1021 expressed in standard notation?

Step-by-step explanation:

Given : Number in scientific terms

To find : What is number expressed in standard notation?

Solution :

The standard notation of a number is the expanded form of scientific notation.

The number we have given is  

Remove the decimal,        

i.e. writing 19 zeros after the number,

Therefore, The required number in standard notation is

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

20

step-by-step explanation: