convert the numbers from standard form into decimal form or ordinary numbers ... times (7 \times 10^{-3})\). Multiply the first numbers \(4 \times 7 = 28\). Apply the Laws of Indices on the ...
To multiply \(23.7\) by \(4\) without using a calculator, you can set it out like this: One decimal place is used in the calculation therefore the solution should also contain one decimal place.