MT Revision

1. Convert to standard notation:

2. 3.5 × 10⁴

• 350000
• 3500
• 30000
• 35000

1. Convert to scientific notation:

2. 0.00056

• 5.6 x 10^-4

• 56 x 10^-5

• 0.56 x 10^-3

• 5.6 x 10⁴

3. Add:

4. 9456 + 789

• 10244
• 10245
• 9457
• 10000

3. Subtract:

4. 98700 - 9654

• 89000
• 89046
• 90000
• 85000

Add:

412.34 + 56.789

• 468.129
• 470.789
• 450.000
• 469.129

5. Subtract:

6. 245.67 - 97.458

• 148.567
• 150.212
• 145.212
• 148.212

Add:

3/4 + 2/5

• 1/2
• 23/20
• 7/10
• 9/20

Subtract:

7/9 - 2/5

• 5/45
• 3/9
• 1/5
• 17/45

9. Round to the nearest tenth:

10. 12.345

• 12.3
• 13.0
• 12.0
• 12.4

9. Round to the nearest hundredth:

10. 0.6789

• 0.67
• 0.68
• 0.69
• 0.70