Subtract In Scientific Notation

(7.2 x 10⁶)-(3.4x 10⁶)

• 3.8x10⁶
• 7.7x10⁶
• 3.7x 10⁶
• 3.9x10⁶

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.NS.A.3

Subtract using scientific notation. 
(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵
• 1.81 x 10³
• 1.81 x 10⁶
• 1.81 x 10⁴

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

Subtract using scientific notation.
(8.0 x 10¹³) - (7.5 x 10¹²)

• 7.25 x 10¹³
• 7.25 x 10¹²
• 5.0 x 10¹²
• 5.0 x 10¹³

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.NS.A.3

(2.9 x 10^-9) - (1.7 x 10^-9)

• 1.2 x 10^-18
• 1.2 x 10^-9
• 4.6 x 10^-9
• 1.335 x 10^-4

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

(8.3 x 10⁵) - (1.5 x 10⁴)

• 8.15 x 10⁵
• 6.8 x 10⁴
• 6.8 x 10⁵
• 8.15 x 10⁴

Tags

CCSS.HSA.APR.A.1

When subtracting numbers in scientific notation, what must you do to the exponents?

• Make sure they are the same, or make them the same if they are not.

• Subtract them silly!

• Divide them, duh!