BACE 4.1 Scientific Notation Practice 2

Write the number 3.6838 x 10^-8 in standard format.

• 0.0000000368380

• 0.0000003683800

• 0.0000368380

• 0.00000368380

Answer explanation

To convert 3.6838 x 10^-8 to standard format, move the decimal point 8 places to the left, resulting in 0.0000000368380. This matches the first answer choice.

Tags

CCSS.8.EE.A.3

Write the number 4.25 x 10^8 in standard format.

• 425000000

• 42500000

• 4250000000

• 42500

Answer explanation

To convert 4.25 x 10^8 to standard format, move the decimal point 8 places to the right, resulting in 425000000. Thus, the correct answer is 425000000.

Tags

CCSS.8.EE.A.3

Write the number 7.939 x 10^-7 in standard format.

• 0.00000079390

• 0.0000079390

• 0.00000007939

• 0.000000007939

Answer explanation

To convert 7.939 x 10^-7 to standard format, move the decimal point 7 places to the left, resulting in 0.00000079390. Thus, the correct answer is 0.00000079390.

Tags

CCSS.8.EE.A.3

Write the number 4.07 x 10^4 in standard format.

• 40700

• 4070

• 407000

• 40.7

Answer explanation

To convert 4.07 x 10^4 to standard format, move the decimal point 4 places to the right, resulting in 40700. Thus, the correct answer is 40700.

Write the number 1.39 x 10^7 in standard format.

• 13900000

• 1390000

• 139000000

• 13900

Answer explanation

To convert 1.39 x 10^7 to standard format, multiply 1.39 by 10,000,000 (which is 10^7). This results in 13,900,000, or 13900000. Thus, the correct answer is 13900000.

Tags

CCSS.8.EE.A.3

Write the number 6.576 x 10^-2 in standard format.

• 0.06576

• 0.6576

• 6.576

• 0.006576

Answer explanation

To convert 6.576 x 10^-2 to standard format, move the decimal point two places to the left, resulting in 0.06576. Thus, the correct answer is 0.06576.

Tags

CCSS.8.EE.A.3

Write the number 9.7724 x 10^-4 in standard format.

• 0.00097724

• 0.0097724

• 0.097724

• 0.000097724

Answer explanation

To convert 9.7724 x 10^-4 to standard format, move the decimal point 4 places to the left, resulting in 0.00097724. This matches the first answer choice.

Tags

CCSS.8.EE.A.3

Write the number 9.567 x 10^6 in standard format.

• 9567000

• 956700

• 95670000

• 95670

Answer explanation

To convert 9.567 x 10^6 to standard format, move the decimal point 6 places to the right, resulting in 9567000. Thus, the correct answer is 9567000.

Tags

CCSS.8.EE.A.3

Write the number 7.518 x 10^4 in standard format.

• 75180

• 7518

• 751800

• 75.18

Answer explanation

To convert 7.518 x 10^4 to standard format, move the decimal point 4 places to the right, resulting in 75180. Thus, the correct answer is 75180.

Tags

CCSS.8.EE.A.3

Write the number 7.7895 x 10^0 in standard format.

• 7.7895

• 77.895

• 0.77895

• 778.95

Answer explanation

The number 7.7895 x 10^0 is equivalent to 7.7895 in standard format, as multiplying by 10^0 does not change the value. Therefore, the correct answer is 7.7895.