Question 1

Express \(63000000\) in scientific notation.

\(6.3{\rm{ x }}{10^7}\)

Question 2

Express \(0.00065\) in scientific notation.

\(0.00065=6.5 \times 10^{-4}\)

Question 3

Express \(6.5 \times {10^3}\) in decimal form.

6500

Question 4

Express \(0.000000023\) in scientific notation

\(2.3{\rm{ x }}{10^{ - 8}}\)

Question 5

Express \(8.04 \times {10^{ - 8}}\) in decimal form.

\(0.0000000804\)

Question 6

Express \(125 000\) in scientific notation

\(1.25 \times 10^5\)

Question 7

Express \(0.0042\) in scientific notation

\(4.2 \times 10^{-3}\)

Question 8

Simplify and express in scientific notation \(240 \times 3000\).

\(7.2 \times 10^{5}\)

Question 9

Express \(4.5 \times 10^{4}\) in decimal form.

45000

Question 10

Express \(7.92 \times 10^{-3}\) in decimal form.

0.00792