Question

plz don't spam friend express the following number in standard form of 0.0072 not directly​

Answer 1

Answer:-

About Standard Form of any number:

• Standard form of a number is very important for scientific notations. It is mainly used is Cosmology form measuring distance from one heavenly body to another one.
• It is used to note very short numbers or very long numbers.
• It is very helpful in both the above cases.

According to user's request ,Step By Step Explaination:-

Given Number : 0.0072

Hence,

$\tt{0.0072}$

(Question)

$\tt{= 72 \times {10}^{ - 4}}$

(Step 1. In this step, we can write that 0.0072 = 72 × 10^-4)

$\tt{=7.2 \times {10}^{ - 4} \times 10}$

(Step 2. In this step, we have turned 72 into 7.2 × 10)

$\tt{=7.2 \times {10}^{ - 4 + 1}}$

(Step 3. We have added them. Conditions are satisfied. They condition is that the bases are same)

$\tt{=7.2 \times {10}^{ - 3} \ (Answer)}$

(Step 4. We have got the result by Substraction of exponents.)

REQUIRED ANSWER:-

The standard form of 0.0072 is:

$\huge\tt\green{7.2 \times {10}^{ - 3}}$