BACE 4.1 Scientific Notation Practice 3

Write the number 7.46 x 10^-6 in standard format.

• 0.000007460

• 0.00007460

• 0.0007460

• 0.007460

Answer explanation

To convert 7.46 x 10^-6 to standard format, move the decimal point 6 places to the left, resulting in 0.000007460. This matches the first answer choice, making it the correct answer.

Tags

CCSS.8.EE.A.3

Write the number 8.3242 x 10^7 in standard format.

• 83242000

• 8324200

• 832420000

• 83242

Answer explanation

To convert 8.3242 x 10^7 to standard format, move the decimal point 7 places to the right, resulting in 83242000. This matches the first answer choice.

Tags

CCSS.8.EE.A.3

Write the number 9.863 x 10^0 in standard format.

• 9.863

• 98.63

• 0.9863

• 986.3

Answer explanation

The expression 9.863 x 10^0 means 9.863 multiplied by 1, which equals 9.863. Therefore, the standard format is simply 9.863.

Write the number 7.53 x 10^8 in standard format.

• 753000000

• 75300000

• 7530000000

• 7530000

Answer explanation

To convert 7.53 x 10^8 to standard format, move the decimal point 8 places to the right, resulting in 753000000. Thus, the correct answer is 753000000.

Tags

CCSS.8.EE.A.3

Write the number 8.6007 x 10^-7 in standard format.

• 0.000000860070

• 0.0000086007

• 0.000000086007

• 0.0000000086007

Answer explanation

To convert 8.6007 x 10^-7 to standard format, move the decimal point 7 places to the left, resulting in 0.000000860070. Thus, the correct answer is 0.000000860070.

Tags

CCSS.8.EE.A.3

Write the number 2.7375 x 10^2 in standard format.

• 273.75

• 27.375

• 2737.5

• 2.7375

Answer explanation

To convert 2.7375 x 10^2 to standard format, move the decimal point two places to the right, resulting in 273.75. Thus, the correct answer is 273.75.

Tags

CCSS.8.EE.A.3

Write the number 9.672 x 10^5 in standard format.

• 967200

• 96720

• 9672000

• 9672

Answer explanation

To convert 9.672 x 10^5 to standard format, move the decimal point 5 places to the right, resulting in 967200. Thus, the correct answer is 967200.

Tags

CCSS.8.EE.A.3

Write the number 4.6436 x 10^4 in standard format.

• 46436

• 4643.6

• 464360

• 46.436

Answer explanation

To convert 4.6436 x 10^4 to standard format, move the decimal point 4 places to the right, resulting in 46436. Thus, the correct answer is 46436.

Tags

CCSS.8.EE.A.3

Write the number 8.39 x 10^1 in standard format.

• 83.9

• 839

• 8.39

• 0.839

Answer explanation

To convert 8.39 x 10^1 to standard format, multiply 8.39 by 10, which shifts the decimal one place to the right, resulting in 83.9. Therefore, the correct answer is 83.9.

Write the number 6.53 x 10^3 in standard format.

• 6530

• 653

• 65300

• 65.3

Answer explanation

To convert 6.53 x 10^3 to standard format, multiply 6.53 by 1000 (10^3). This gives 6530, which is the correct answer. The other options are incorrect as they do not represent the value of 6.53 x 10^3.

Tags

CCSS.8.EE.A.3