Task Sets: Perform operations with numbers expressed in scientific notation - Common Core Math - Grade 8

1.

Compute $(3 \times 10^4)(2 \times 10^5)$ and give your answer in proper scientific notation.

2.

Compute $(4 \times 10^3)(5 \times 10^6)$ in proper scientific notation.

A.

$20 \times 10^9$

B.

$2 \times 10^{10}$

C.

$2 \times 10^9$

D.

$10 \times 10^9$

3.

Compute $(3.2 \times 10^5) + (4.1 \times 10^5)$ .

A.

$7.3 \times 10^{10}$

B.

$7.3 \times 10^5$

C.

$7.3 \times 10^0$

D.

$3.24 \times 10^5$

4.

Rewrite $6.0 \times 10^4$ with power $10^5$ so you can add it to $3.2 \times 10^5$ .

A.

$0.60 \times 10^5$

B.

$6.0 \times 10^5$

C.

$60 \times 10^3$

D.

$0.06 \times 10^5$

5.

Convert 2.1E-5 to standard scientific notation.

Exercises: Computing with Scientific Notation