Sigfigs belwork

Write 7.113 x 10⁷ in standard form.

• 71,130,000

• 7,113,000

• 0.0000007113

• 7,113

Write 0.00000707 in scientific notation.

• 7.07 x 10^-6
• 7.07 x 10⁶
• 707 x 10⁸
• 707 x 10^-8

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵
• 1.1 x 10¹⁰
• 1.10 x 10¹¹
• 1.1 x 10 ⁶

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸
• 2.4 x 10⁰
• 1.6 x 10⁰
• 1.6 x 10⁸

Find the answers to the following questions (and round if necessary) to 3 significant figures:

0.0251 + 0.1155

• 1.41 x 10^-1

• 1.41 x 10⁰

• 1.41 x 10¹

• 1.41 x 10²

Find the answers to the following questions (and round if necessary) to 3 significant figures:

0.15 + 1.2253

• 1.37 x 10^-1

• 1.37 x 10⁰

• 1.38 x 10^-1

• 1.38 x 10⁰

Find the answers to the following questions (and round if necessary) to 3 significant figures:

1.0127 — 0.005

• 1.01 x 10^-1

• 1.01 x 10⁰

• 1.00 x 10^-1

• 1.00 x 10⁰

Find the answers to the following questions (and round if necessary) to 3 significant figures:

47.2 — 0.02

• 4.72 x 10^-1

• 4.72 x 10⁰

• 4.72 x 10¹

• 4.72 x 10²