Question

For which of the following would the expression 2 times the quantity ten plus zero point 5 help make solving the problem easier using mental math?
Answer

For each of the past 2 days, Marisela drove 5 miles.

Preston bought 2 pizzas that cost ten dollars and fifty cents each.

Robert bought 2 lollipops that cost 1 dollar and fifty cents each.

Arsha wants to buy ten bottles of juice, which cost 2 dollars and fifty cents per bottle.

Answer 1

\[2 \times (10 + 0.5)\]
preston bought 2 pizza 10.5 each

Answer 2

To decorate his bedroom, Jesse spent one hundred forty-eight dollars and sixty-five cents on new furniture, fifty-two dollars and seventy-five cents cents on paint, and twenty-nine dollars and thirty-three cents on accessories. About how much did he spend to decorate his bedroom?
Answer

one hundred seventy dollars

one hundred ninety dollars

two hundred ten dollars

two hundred thirty dollars

Answer 3

148.65+52.75+29.33
add them up~

Answer 4

230

Answer 5

Divide five thousand, nine hundred thirty-four divided by ten to the fourth power. .

Answer 6

5934/10000

Answer 7

What is 429.052 rounded to the nearest tenth?

Answer 8

429 is closest to 430