Express "17 billion" in scientific
notation.

The scientific  notation is .

Step-by-step explanation:

Consider the provided information.

We need to express 17 billion in scientific notation.

17 billion is: 17,000,000,000

We split the given number into a coefficient and a power of 10.

Move the decimal point of the given number till the coefficient of the given number is greater than 1 and less than 10 and write the power of 10 equal to the number of steps the decimal point was moved.

17 billion in scientific notation = .

Hence, the required answer is .

5x+2x=49

7x=49

x=7. 35 apples

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt