Simplify each expression. Write answers with positive exponents.
-Write 0.00721 in scientific notation.
A) $7.21 \times 10^{-4}$
B) $72.1 \times 10^{-4}$
C) $7.21 \times 10^{3}$
D) $7.21 \times 10^{-3}$

Question

Quizplus · Accepted Answer

The Answer of Simplify each expression. Write answers with positive exponents.
-Write 0.00721 in scientific notation.
A) $7.21 \times 10^{-4}$
B) $72.1 \times 10^{-4}$
C) $7.21 \times 10^{3}$
D) $7.21 \times 10^{-3}$

Simplify Each Expression 7.21×10−47.21 \times 10^{-4}7.21×10−4 B) 72.1×10−472.1 \times 10^{-4}72.1×10−4 C) 7.21×1037.21 \times 10^{3}7.21×103

Simplify Each Expression $7.21 \times 10^{-4}$ B) $72.1 \times 10^{-4}$ C) $7.21 \times 10^{3}$