Question

(a) write 7.12% as a decimal.
7.12% =
(b) write 0.019 as a percentage.
0.019 = %

Explanation:

Step1: Convert percentage to decimal

To convert a percentage to a decimal, divide by 100 (move the decimal point two places left).
$7.12\% = \frac{7.12}{100} = 0.0712$

Step2: Convert decimal to percentage

To convert a decimal to a percentage, multiply by 100 (move the decimal point two places right).
$0.019 = 0.019 \times 100 = 1.9\%$

Answer:

(a) $0.0712$
(b) $1.9$