“The scientist wrote down his formula.”     In the plural:

Questões de assuntos semelhantes

• Which one of the alternatives below is not correct? 
• Analise as palavras abaixo e assinale a alternativa que apresenta o plural corretamente:
• Consider the following statements about the word ‘award-winning’ (l.18).I. It’s classified as a noun.II. It’s compound noun formed by an adverb and...
• Read and answer. How do I pick the perfect pillow?At the end of the day, your pillow’s most important job is to support you in your go-to sleeping...
• The plural form of “mouse” is “mice”.