Hi! Here are the answers to Whole Numbers and Decimals Unit Test Part 1. I promise 100% it is correct. (For Texas Connections Academy)

1. What is the value of the underlined digit in the number 345,423,912?

A: three hundred millions

2. What is 81,497 in words?

A: eighty-one thousand, four hundred ninety-seven

3. 35,012,129 ____ 35,011,129

A: >

4. Order these numbers from least to greatest. 46,012; 45,987; 459,870; 4,987

A: 4,987; 45,987; 46,012; 459,870

5. 34,759 + 26,512

A: 61,271

6. 5,238 – 2,394 =

A: 2,844

7. 0.9 × 0.79

A: 0.711

8. Use compatible numbers to solve the problem 488 ÷ 62.

A: 480 ÷ 60 = 8

9. 5,875 ÷ 47

A: 125

10: 5 + 0.06 + 0.009

A: 5.069

11: Which property is shown in this example? (8.1 + 7.9) + 5.4 = 8.1 + (7.9 + 5.4)

A: Associative Property

12. What is the first step that should be performed to find the value of this expression? 180 ÷ (30 + 15) × 6 – 1

A: Add 30 + 15.

13. What is the value of the underlined digit? 342.76

A: six hundredths

14. What is the expanded form of 9.62?

A: 9 + 0.6 + 0.02

15. 54.609 _____ 54.69

A: <

16. Order the numbers from least to greatest. 7.9; 0.79; 79; 0.079

A: 0.079; 0.79; 7.9; 79

17. 7.777 + 8.88

A: 16.657

18. A snack manufacturer has 6.72 pounds of trail mix that will be packaged in bags containing 0.32 pounds each. How many packages of trail mix can be filled?

A: 21

19. 11.307 – 4.981

A: 6.326

20: 5.87 × 1,000

A: 5,870

21: Jamie earns $7.00 per hour babysitting. On Monday night she babysits for 5 hours, on Wednesday night she babysits for 7 hours, and on Friday night she babysits for 4 hours. How much will she earn from babysitting on these nights?

A: $112.00