Unit 1 Test

Choose the number that has a 4 with a value 10 times greater than the value of the 4 in 34,568

• 452,371

• 714,471

• 145,395

• 837,548

Select all the true equations.

• 0.46 × 10^5 = 46,000

• 46 × 10^2 = 46,000

• 0.46 ÷ 10^4 = 0.0046

• 46,000 × 10^3 = 46,000,000

Choose all the correct forms to express 58.062

• fifty-eight and sixty-two hundredths

• (5 × 10) + (8 × 1) + [6 × (1/100)] + [2 × (1/1000)]

• fifty-eight and sixty-two thousandths

• (5 × 10) + (8 × 1) + [6 × (1/10)] + [2 × (1/100)]

0.565​ (a)   ​ 0.656

0.3​ (b)   0.30

0.6​ (c)   0.016

• <
• =
• >

Round 5.87 to the nearest tenth.

London wrote 27.196 in expanded form as follows.

(2 × 10,000) + (7 × 1,000) + (1 × 100) + (9 × 10) + (6 × 1)

Explain London’s error and write the correct solution.