9. $$ 78 / 100.000 $$ if written in decimal form is $$ \begin{array}{lllllll} ext { A. } 0.0078 & ext { B. } 0.0000078 & ext { C. } & 0.00078 & ext { D. } & 0.000078\end{array} $$ 10. Perform as indicated: $$ 0.385 imes 0.0049= $$ ? $$ \begin{array}{lllllll} ext { A. } 0.18865 & ext { B. } 0.018865 & ext { C. } & 0.0018865 & ext { D. } & 0.00018865\end{array} $$

Question

9. $$ 78 / 100.000 $$ if written in decimal form is $$ \begin{array}{lllllll}	ext { A. } 0.0078 & 	ext { B. } 0.0000078 & 	ext { C. } & 0.00078 & 	ext { D. } & 0.000078\end{array} $$ 10. Perform as indicated: $$ 0.385 	imes 0.0049= $$ ? $$ \begin{array}{lllllll}	ext { A. } 0.18865 & 	ext { B. } 0.018865 & 	ext { C. } & 0.0018865 & 	ext { D. } & 0.00018865\end{array} $$

UpStudy AI · Accepted Answer

Let's solve each problem step by step.

### Problem 9: Convert $$ \frac{78}{100000} $$ to decimal form

To convert the fraction $$ \frac{78}{100000} $$ to decimal form, we can perform the division:

$$
\frac{78}{100000} = 78 \div 100000
$$

### Problem 10: Calculate $$ 0.385 \times 0.0049 $$

To perform the multiplication $$ 0.385 \times 0.0049 $$, we will multiply the two numbers directly.

Now, let's calculate both expressions.
Calculate the value by following steps:
- step0: Calculate:
  $$\frac{78}{100000}$$
- step1: Reduce the fraction:
  $$\frac{39}{50000}$$
Calculate or simplify the expression $$ 0.385*0.0049 $$.
Calculate the value by following steps:
- step0: Calculate:
  $$0.385\times 0.0049$$
- step1: Multiply the numbers:
  $$0.0018865$$
### Problem 9 Result:
The decimal form of $$ \frac{78}{100000} $$ is $$ 0.00078 $$.

### Problem 10 Result:
The result of $$ 0.385 \times 0.0049 $$ is $$ 0.0018865 $$.

### Answers:
- For Problem 9, the correct option is **C. $$ 0.00078 $$**.
- For Problem 10, the correct option is **C. $$ 0.0018865 $$**.
- Problem 9: $$ 0.00078 $$ (Option C) - Problem 10: $$ 0.0018865 $$ (Option C)

if written in decimal form is

Perform as indicated: ?

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